Posts tagged ‘Science’

More From the Science-Based Administration

Every study I have ever seen has said that corn ethanol is only marginally energy-positive when its growing and production costs are considered and barely breakeven on CO2.  In other words, it costs a lot and does nothing, even before one considers negative effects to food prices and land use.

So of course, the Obama administration may soon demand that we subsidize more of it

Burdened by falling gasoline consumption and excess production capacity, ethanol producers appealed to the government on Friday to raise the 10 percent limit on ethanol in most gasoline blends to as high as 15 percent.

Ethanol plants are closing across the country and some ethanol producers are declaring bankruptcy. The appeal will require the Obama administration to decide whether to increase federal support for the industry, which has already benefited from an array of subsidies, tax credits and Congressional production mandates.

"Approving the use of ethanol blends up to 15 percent is a necessary and positive step," said Bob Dinneen, president of the Renewable Fuels Association, an industry lobbying group, "to ensure the full potential of a robust domestic ethanol industry."

The Environmental Protection Agency and the Energy Department have been testing higher ethanol blends. The E.P.A. has nine months to review the request, but it could decide before that to increase the blend cap slightly, to 12 or 13 percent.

Energy Secretary Steven Chu has indicated that he would favor at least a small increase in ethanol levels unless auto companies said there was a risk the change would damage their products.

At least the article is marginally honest - its starts with the true reason for the mandate - improving the bottom line of favored businesses, not energy or environmental policy.  Chu seems to be joining Krugman as another Nobel prize winner turned political hack.  In the past I have had Chu's supposed gravitas thrown at me in climate debates -- I think this should settle just how Chu makes choices between what science tells him vs. what politcal pressures are demanding.

Catastrophe Denied: The Science of the Skeptic's Position

Once upon a time, Al Gore had a PowerPoint deck. Several years ago, I came to the conclusion that Gore's presentation was deeply flawed, so I made my own PowerPoint deck in response, and have been updating it ever since. Here is the most recent version (UPDATE: Links Fixed)

Powerpoint presentation with notes pages (.ppt)

Adobe Acrobat .pdf file

Then, Al Gore made a movie from his PowerPoint deck. He won an Oscar and a Nobel prize for his movie. Those are a bit out of my reach, so I will have to settle for actually being right. My previous movie showed my PowerPoint deck presented to a live audience, and can still be found online here. I felt the sound quality could be improved and the narration could be tighter, so I went into the "studio" to create a tighter version. The product of this is what I believe to be my best effort yet at explaining, in a comprehensive but simple manner, the science of the skeptic's position to laymen.

I have become a big fan of Vimeo because I don't have to break videos up into 10-minute chunks as on YouTube. The Vimeo version is here and is embedded below:

Other Viewing Options

When I get the time to break this into 9(!) parts, I will post a link here to YouTube.

You can download the 212MB .wmv file here (link on the lower right). Alternatively, it can also be found here. The .wmv is also available via BitTorrent: You can find its page at or the torrent directly .

Download the .iso file (DVD disk image) to make you own playable DVD here (beware: 1.6GB). A free tool to burn the DVD from the image is ImgBurn

The .iso file is also available via BitTorrent: you can find its page at with the torrent .

Finally, you can buy the DVD at cost, here, for $7.50 plus shipping.

The Science Has Been Settled the Same Way Elections Are Settled in Cuba

Via Wawick Hughes, this "voting" site is pretty funny.

showyourvote2

Apparently Google has launched a site where you can "vote" on climate change and the IPCC process.  Except that you can only vote "yes." Fill in your name and hit submit, and you are counted as having voted the party line.  Seriously.  Since when does this meet anyone's definition of "vote?"

Every day Google innovationist Justin Baird pedals to work at the internet giant, where he is thinking big in his global campaign to act on climate change.

"My personal mission is to drive positive change through technology," he said.

"I am in a position where I can understand the issues surrounding climate change. And understanding the technology solution that can empower us to communicate collectively."

I guess we know now why Google did not have any qualms about cooperating with the Chinese government. They have been "communicating collectively" in their elections for years.

"From your local postcode it aggregates it together to a state level, then country level, then across the world, so what we're doing is generating a global statistic. Over time it starts to generate and show the strength of public support of what's happening," Mr Baird said.

Wow - I am predicting his point of view wins in a landslide

Chairman of the Copenhagen Climate Council, Tim Flannery, says the Google tool is an interesting invention.

"I can imagine a day not so long from now where the UN secretary-general is elected through Show Your Vote. It's a very interesting world that we're entering into," he said.

Yeah, unfortunately, I can imagine a day too.  Already leaders around the world in countries like Venezuela, Cuba, and Iran are elected just this way.

Your Idea Sucks -- Here's Your Money

Having read this:

In his proposed budget for 2010, Chu wanted $480 million to start eight Energy Innovation Hubs, or "Bell Lablets," as he called them, to stimulate research in areas ranging from solar energy to new materials for the electric grid. Each would receive $35 million to get started, and $25 million more in each of the following 4 years.

Last week Congress poured semi-cold water on the idea....Its skepticism was no surprise, having been included this summer in reports accompanying the spending bills in the House of Representatives and Senate (House, Senate versions). In August, Science reporter Jeffrey Mervis described how Chu admitted to a mediocre job of selling the idea and overcoming congressional concerns that the concept was poorly thought out and not well-coordinated with other energy research at the Department of Energy. House appropriators were particularly unkind to the idea, noting:

A new set of centers with overlapping research goals risks adding confusion and redundancy to the existing fleet of research and development initiatives

So since everyone agreed it was a bad idea, they killed it right? Ha ha, cute idea, actually voting and spending money based on efficacy. In fact, they gave Chu quite a bit

Conferees to the Energy and Water spending bill approved funding for three of the centers, two in energy efficiency and renewable energy and one in nuclear energy.

If they really make no sense, how about "zero"

Banning Dissent, Even in Science

I am constantly amazed at the totalitarianism of the global warming community and their absolute intolerance of dissent.  One suspects that a reason more people are skeptical of alarmist predictions is that they know enough about human behavior to distrust someone who claims to be correct but refuses to respond to or even allow questions or replication.

Anthony Watt has a good example from the world of polar bears:

Exile for non-believers (PDF, press release)

Mitchell Taylor is a world's leading polar bear expert. He has studied a greater number of polar bear populations than anyone else. He has caught more polar bears than anyone else.

He was going to attend the 2009 meeting of the Polar Bear Specialist Group (PBSG). The name sounds technical, doesn't it? Unfortunately, in one of his papers, he wrote this somewhat self-evident, yet detailed, balanced, and carefully worded description of the polar bears' situation:

"The concern that polar bears will decline if the climate continues to warm is valid. However, the assertion that polar bears will become extinct unless immediate measures are taken to curb greenhouse gas emissions is irrational because it is inconsistent with the long-term persistence of polar bears through previous periods of warming and cooling; and because the IPCC climate model predictions 50 and 100 years into the future do not suggest a future with insufficient sea ice to support polar bears as a viable species."

What was the answer? He wasn't allowed to participate. Here is Mr Andrew Derocher's letter:

Hi Mitch,

The world is a political place and for polar bears, more so now than ever before. I have no problem with dissenting views as long as they are supportable by logic, scientific reasoning, and the literature.

I do believe, as do many PBSG members, that for the sake of polar bear conservation, views that run counter to human induced climate change are extremely unhelpful. In this vein, your positions and statements in the Manhattan Declaration, the Frontier Institute, and the Science and Public Policy Institute are inconsistent with positions taken by the PBSG.

I too was not surprised by the members not endorsing an invitation. Nothing I heard had to do with your science on harvesting or your research on polar bears - it was the positions you've taken on global warming that brought opposition.

Time will tell who is correct but the scientific literature is not on the side of those arguing against human induced climate change. I look forward to having someone else chair the PBSG.

Best regards,
Andy (Derocher)

If you are not familiar with Taylor's positions that are alluded to, as I understand it they include:  1) The fact that most polar bear populations have been rising rather than falling over the last decades and 2) polar bears have survived interglacial periods in which we believe all sea ice disappeared.

Most of y'all know I have a parallel blog on climate over at Climate Skeptic.  I get accused of being "anti-science" all the time, I suppose for pursuing scientific evidence where it takes me rather than accepting the scientific "consensus" that I am told I should shut up and accept.

One response I often make to this accusation is the to compare the comment policy of leading skeptic and alarmist climate sites.  Which seem more "anti-science" to you?  Here is part of my blog's comment policy:

I have never tried to moderate my comments (except for spam, which is why you might have  a comment with embedded links held for moderation "” I am looking to filter people selling male enhancement products, not people who disagree with me.)  In fact, I relish buffoons who disagree with me when they make an ass of themselves - after all, as Napoleon said, never interrupt an enemy when he is making a mistake.  And besides, I think it makes a nice contrast with a number of leading climate alarmist sites that do not accept comments or are Stalinist in purging dissent from them.

Leading sites that are skeptical or at least are willing to ask questions of the climate orthodoxy like Watt's Up with That or Climate Audit have similar policies - their comment threads are full of people with strongly opposing opinions to the site's authors.

Now check out a comment policy from an alarmist site:

Climate "skepticism" is not a morally defensible position. The debate is over, and it's been over for quite some time, especially on this blog.

We will delete comments which deny the absolutely overwhelming scientific consensus on climate change, just as we would delete comments which questioned the reality of the Holocaust or the equal mental capacities and worth of human beings of different ethnic groups. Such "debates" are merely the morally indefensible trying to cover itself in the cloth of intellectual tolerance.

So, if you're a climate skeptic, you may be well-intentioned and you're certainly welcome to your opinion, but we're not interested.

The leading alarmist site, Real Climate, founded and run by people the media portrays as leaders in climate science, such as James Hansen, routinely purge all dissent from posts and comments.  For example, Anthony Watt wrote this after Steve McIntyre found huge problems in a recent version of a hockey stick temperature recontruction:

Realclimate.org continues deleting the ongoing river of comments posted on their threads ( Note: Any of you who find that your posts to those sites are being rejected {as usual without any explanation} can keep a copy of the post, and post it at http://rcrejects.wordpress.com if you want

I find that amazing -- someone is maintaining a blog populated with everything the "leading scientists" at Real Climate purge.  Check the stuff out there, this is not foul-mouthed mindless rants, but real scientific challenges that are being deleted.

One of the dirty secrets of climate science is that the so called "settled" science of global warming is often never challenged or replicated as we expect science should be.  When someone claims to have produced cold fusion, if they want their work to be accepted it is their obligation to publish their data and methodology for others to try to replicated.  In climate, this seldom happens.  Members of a small community all replicate and review each others' results, and claim this to be sufficient for "consensus."  When outsiders or mavericks attempt to test or replicate the results, they are stonewalled.

Here is my favorite quote to illustrate the whole mindset, and should make any reasonable person nervous who understands that Congress is on the verge of committing trillions of dollars of our money to certain courses of action based on the science.  It is from Phil Jones, who put together one of the first global temperature metrics at the Hadley Center, to Warwick Hughes, an Australian scientist who had some questions about the data and was having trouble replicating some of Jones' results.  Jones wrote, in response to Hughes request for data (data which underlies much of the early IPCC reports and so is the basis for a lot of public policy discussion):

"We have 25 years or so invested in the work. Why should I make the data available to you, when your aim is to try and find something wrong with it?"

UPDATE: Here is a great example of the way it should be done -- Steve McIntyre posts Keith Briffa's response in full, invites other responses:

In spite of suffering a serious illness (which I understand to be a kidney problem), Keith Briffa has taken the time to comment on the Yamal situation. The comment should be read by interested readers. If Briffa or any of his associates wishes to post a thread here without any editorial control on my part, they are welcome to do so.

The Observer Effect and Using Google for Social Science

I thought this was an interesting quick and dirty social study using Google. (via Knowledge Problem)

For any individual study you can validly say that you think the estimate is too low, or indeed, too high, and give reasons for that. For instance, you might say that your sample was mainly young people who tend to be healthier than the general public, or maybe that the diagnostic tools are known to miss some true cases.

But when we look at reporting as a whole, it almost always says the condition is likely to be much more common than the estimate.

For example, have a look at the results of this Google search:

"the true number may be higher" 20,300 hits

"the true number may be lower" 3 hits

I often tell folks that the key to understanding behavior is to understand incentives. The media as institutions have incentives to sensationalize and scare (it sells papers) and as individual reporters have incentives to magnify the importance of whatever story he or she is working on.

But what I found really interesting was how the Observer effect comes into play here.  Wikipedia has this brief definition of the observer effect:

In physics, the term observer effect refers to changes that the act of observation will make on the phenomenon being observed. This is often the result of instruments that, by necessity, alter the state of what they measure in some manner.

Click on the Google hit numbers above.  I get 42,700 and 5,360 respectively, the increase presumably due in part to this article and links to it.  Its impossible to report on patterns in Google searches without the very fact of such reporting affecting what is being measured.

The Future of Newspapers

I couldn't really get up enough energy to post about the whole Van Jones kerfuffle.  Apparently, as one of Obama's 129 czars, this guy whose job it is to redistribute billions of dollars from one group of individuals to another and issue diktats to be followed by private citizens and businesses, is *gasp* a communist.  Well, no sh*t.  All of these various czars have communist roles so why is it surprising Obama might have picked a communist to hold one of them.  The only surprise was that Van Jones was dumb enough to admit it in print rather than hiding it in leftish double-speak like most of the rest of the administration.

Anyway, all that aside, you gotta love the NY Post, which has no problem dropping any pretense of statesmanship and is perfectly willing to skewer its cross town rival.  This editorial is pretty dang funny.  An excerpt:

Newspaper of record? The Times isn't so much a newspaper as a clique of high school girls sending IMs to like-minded friends about their feuds and faves and raves and rants. OMFG you guys! It's no more objective than Beck is....

The Times continues to treat communism as a cute campus peccadillo like pot smoking or nude streaking. A Times think piece (Sept. 9) worried that Jones' fall was "swift and personal." Being a communist is personal but being the pregnant teen daughter of a vice presidential candidate is public business?

In a quasi-related post, Virginia Postrel says the Washington Post lost $1.10 per copy of their newspaper last quarter.  Wow!

I have to disagree with Ed Driscoll, though.  He like many conservatives argues that this economic problem of newspapers is somehow because the Times has dropped its objectivity.  I am not sure anyone has evidence that is true.  One could make, I think, an equally strong case that the Times should be less objective and go openly partisan.  After all, this notion of politically neutral newspapers is a pretty recent phenomenon in the US.

I actually think the problem with newspapers like the Washington Post is the "Washington" part.  Local business models dominated for decades in fields where technology made national distribution difficult or where technology did not allow for anything but a very local economy of scale.  Newspapers, delivery of television programming, auto sales, beverage bottling and distribution, book selling, etc. were all mainly local businesses.  But you can see with this list that technology is changing everything.  TV can now be delivered via sattelite and does not require local re-distribution via line of sight broadcast towers or cable systems.  Amazon dominated book selling via the Internet.  Many of these businesses (e.g. liquor, auto dealers, TV broadcasting) would have de-localized faster if it had not been for politicians in the pocket of a few powerful companies passing laws to lock in outdated business or technological models.

Newspapers are ripe for a restructuring.  How can one support a great Science page or Book Review section or International Bureau on local circulation?  How much effort do the NY Times, Washington Post, LA Times, SF Chronicle, etc. duplicate every day?  People tell me, "that's what the wire services are for."  Bah.  The AP is 160 years old!  It is a pre-Civil War solution to this problem.  Can it really be that technology and changing markets have not facilitated a better solution?

The future is almost certainly a number of national papers (ala the WSJ and USA Today) printed locally with perhaps local offices to provide some local customization or special local section.  Paradoxically, such a massive consolidation from hundreds of local papers to a few national papers would actually increase competition.  While we might get a few less stories about cats being saved from trees in the local paper, we could well end up not with one paper selection (as we have today in most cities) but five or six different papers to choose from  (just look at Britain).  Some of these papers might choose to sell political neutrality while some might compete on political affiliation.

If I were running the Washington Post, I would think very seriously about creating a national news offering, a USA Today with substance.   If you offered me a Washington Post re-branded as a national paper, with some strong side offerings like the NY Times Science section and a good local sports section and a local news section, I'd toss my Arizona Republic in a second.  Its going to take some good thought as to how to weave together the national offering with locally customized content and to manage local vs. national advertising accounts, but with technology this is doable -- Clear Channel does something similar in radio.

I wonder, in fact, why no one has done this yet -- when you look at the circulation numbers, only the USA Today and WSJ, the two papers pursuing this path, are seeing growth.  My only thought is that news is one of those businesses dominated by passionate people who are tied deeply, emotionally into the industry in a way that makes it impossible to envision or consider new models (aviation is another such business, in my opinion, and the US auto business is probably another).  What we need is for the Post and a few other major papers to fail and then let some really bright, right people from outside the business come and shake it up.  This is, by the way, one of the unsung benefits of bankruptcy, is that it takes assets out of the hands of the people who got the company in the mess to begin with -- a benefit we short-circuited when we spent billions of taxpayer dollars in the auto industry to keep GM and Chrysler assets out of new and potentially more innovative hands.

State Science Institute

A number of folks, including myself but more prominently Megan McArdle, have argued that a big problem with nationalized health care schemes is that these plans threaten drug innovation in the US  (which is really the last remaining source of drug innovation in the whole world).

The argument is that nationalization schemes will likely hammer drug prices through price controls down to marginal cost, eliminating any profit motive for expensive drug development.  Further, new drugs will be hampered by having to convince government health care czars that the drug should be allowed under proposed proscriptive, top-down systems of allowed medical procedures.  Risk-adverse beauracrats faced with inevitable budget overruns are unlikely to take the chances with new procedures that the private world takes every day.  (And if you don't believe that budgets will be immediately overrun, look at cash-for clunkers, where 5 months of funds were used up in 5 days -- people may not like the government, but they will take free money and services in near infinite amounts).

Well, I had thought that the response to this argument from health care "reform" supporters would have been something like "private incentives to develop drugs will still exist because of X or Y."   But apparently, they have given up on that argument and jumped all the way to the argument that even without any private drug companies, Dr. Robert Stadler and the State Science Institute will do all the drug development we need.

Megan McArdle responds in depth here.  I think there is a simpler argument.  Look at something like computers or machine tools.  Innovation in these free markets occurs all over the world, and new inventions and products are as likely to come from Korea or Japan or Germany than from the US.  But in the world of pharmaceuticals and new medical devices, a wildly disproportionate share come in the US, the last semi-free health care market in the world.  And even those new products developped in other countries are funded and capitalized based on their profit potential in the US.

Junk Science in the Courtroom

I used to write a lot about junk science in civil cases.  I have never really liked the idea of limitations on liability awards as a solution for nutty civil rulings -- after all, how can Congress know in advance exactly what real damages will arise, and why should my ability to recover real damages be capped?

I always have felt that such solutions were beside the point, that what tort law needed was:

  • Better immunization against junk science
  • A rollback of the flawed notion that deep pockets are automatically liable, regardless of their actions, combined with some acknowledgment of individual responsibility
  • Protection of dependents from nuisance suits and mass torts, both of which derive their power from the cost of defense rather than the facts of the case, forcing the innocent to settle just to avoid these defense costs.

I always had naively thought that the junk science issues were mainly limited to civil courts, and that criminal courts, with their much stronger protections against false convictions, did not really have these problems.

The more I read Radley Balko, though, the more depressed I get about innocent people sitting in jail as the result of really flawed evidence.  The most recent example:

Last weekend, we looked at the case of Bill Dillon, the Brevard County resident imprisoned for 27 years before DNA tests set him free...

At least two other men suffered the same fate "” and another shared link: a dog.

Not just any dog. A wonder dog helped convict all three men: a German shepherd named Harass II, who wowed juries with his amazing ability to place suspects at the scenes of crimes.

Harass could supposedly do things no other dog could: tracking scents months later and even across water, according to his handler, John Preston.

I May Have Been Wrong When I Said Government Officials Weren't Dumb

I often say that most government officials are not dumb or evil, they just have bad incentives that make them act that way, and they look dumb because they attempt to tackle problems that even a 250IQ can't solve (e.g. planning the economy).

But I may have been wrong.  Evidence is mounting that people in Congress, at least, really are just plain dumb.  From an interview on NPR:

[Congressman Henry] Waxman: Well, there have been scientists brought together to see if they could figure out the science and make it clear whether this is a danger or not, whether it's a danger that's a great one or one that we can postpone for a while, and the overwhelming consensus of all the leading scientists that have looked at this issue is there is a warming of the planet, it's manmade, caused by our burning of carbon fuels, and it's happening faster than anybody ever thought it would happen.

We're seeing the reality of a lot of the North Pole starting to evaporate, and we could get to a tipping point. Because if it evaporates to a certain point - they have lanes now where ships can go that couldn't ever sail through before. And if it gets to a point where it evaporates too much, there's a lot of tundra that's being held down by that ice cap.

If that gets released we'll have more carbon emissions and methane gas in our atmosphere than we have now. We see a lot of destruction happening because of global warming, climate change problems, so we've got enough warning signals and enough of a scientific consensus to take this seriously.

Oh my heavens, we are certainly in good hands.  Via Tom Nelson.

Postscript: For those who slept through high school science:

  • North Pole ice melts, it does not evaporate (liquids evaporate).  Occasionally a solid will go straight from a solid to a gaseous state (e.g. with dry ice) - that is called sublimation.  Ice on Kilimanjaro, for example, sublimes rather than melts.
  • There have been a number of years this century, including several times in the 1930's, when the Northwest Passage opened up in the summer, so a recent opening was far from the "first time."
  • The ice cap does not hold down the tundra.  The concern, as I understand it, is that large stretches of Siberia are essentially permanently frozen peat bogs.   If the permafrost (which is under the tundra) melts, this allows the previously frozen organic matter to start to decompose, releasing methane which is a strong greenhouse gas.
  • When Waxman refers to a tipping point, he means that a positive feedback cycle, much like nuclear fission, is created causing temperatures to accelerate rapidly.  As an aside, such runaway positive feedback processes are rare among long-term stable natural systems, as at some point, given 5 billion years of history, they should have already run away by now.  Why temperatures would reach a tipping point now when they did not in millennia past when both global temperature and CO2 levels were much higher remains unexplained by Mr. Waxman and other tipping point advocates.
  • As of today, global sea ice extent is higher than the last 30 year average.  (this graph is updated regularly)

Intellectual Network Effects

John Scalzi writes:

I do get occasionally amused at being a poster child for Science Fiction's Digital Future when I live in a rural town of 1,800 people with agricultural fields directly to my east, south and west, and Amish buggies clopping down the road on a daily basis. It's, like, three cheers for cognitive dissonance.

I responded in the comments:

I would have had exactly the opposite reaction, that your situation is entirely representative.  For 500 years,  from the Italian Renaissance through the 20th century, intellectual thought moved forward mainly hand in hand with urbanization.  I am not really an expert in describing the ins and outs of this, but there is clearly a density and network effect to intellectual advancement, and given past communication approaches, this required physical proximity.  The promise of modern IT technology is that it may allow us to achieve this density without physical proximity.

Settled Science

I always find it fascinating to observe how the same folks who criticize the US for not taking drastic action based on the "settled science" of global warming are often the first to ignore hundreds of years of study in the science of economics.  While the full breadth of economics is far from settled science, one thing that is far better understood than the effect of CO2 on global temperatures is the effect of higher prices on demand:  (via Market Power)

This chart confirms that for teenagers, those between the ages of 16
and 19 years old, all of the jobs that disappeared in 2007 were minimum
wage jobs. In essence, a total of 94,000 hourly jobs disappeared for
this age group overall. This figure is the net change of this age group
losing some 118,000 minimum wage earning jobs and gaining some 24,000
jobs paying above this level.

This represents what we believe to be the effect of the higher
minimum wage level increasing the barriers to entry for young people
into the U.S. workforce. Since the minimum wage jobs that once were
held by individuals in each age group have disappeared, total
employment levels have declined as those who held them have been forced
to pursue other activities.

Now consider this: The minimum wage was just reset on 24 July 2008
to $6.55 per hour, a 27.2% increase from where it was in early July
2007. Our best guess is that a lot of additional teenagers will be pursuing those other activities

Meanwhile, the lack of employment opportunities for the least
educated, least skilled and least experienced segment of the U.S.
workforce will likely have costs far beyond the benefits gained by
those who earn the higher minimum wage. The government might be able to
make the minimum wage earning teenage worker disappear, but they didn't
do anything to make the teenagers themselves disappear.

Numberminwagebyagegroup20052007

The increase in minimum wage earners in some of the middle brackets is likely due to a sweeping effect -- if the minimum wage is increase from $6 to $7, people making $6.50 before are swept into the "minimum wage" characterization.   

So Lawrence Summers Was Fired For Being Correct?

So, apparently Lawrence Summers was correct:

Wall Street Journal -- Girls
and boys have roughly the same average scores on state math tests, but
boys more often excelled or failed, researchers reported. The fresh
research adds to the debate about gender difference in aptitude for
mathematics, including efforts to explain the relative scarcity of
women among professors of science, math and engineering.

The
latest study, in this week's journal Science, examined scores from
seven million students who took statewide mathematics tests from grades
two through 11 in 10 states between 2005 and 2007.
The
researchers, from the University of Wisconsin and the University of
California, Berkeley, didn't find a significant overall difference
between girls' and boys' scores. But the study also found that boys'
scores were more variable than those of girls. More boys scored
extremely well -- or extremely poorly -- than girls, who were more
likely to earn scores closer to the average for all students. The study found that boys are consistently more variable than girls, in every grade and in every state studied
(see crude diagram above - showing distributions where mean
intelligence is the same, but the standard deviation of male
intelligence is greater than female intelligence).

In Minnesota, for example, 1.85% of white boys in the 11th grade hit the 99th percentile, compared with 0.9% of girls -- meaning there were more than twice as many boys among the top scorers than girls.

Of course, Summers did not get in trouble for being incorrect.  He got in trouble for saying something he was not supposed to say.  And it seems that the media are trying to avoid the same mistake, reporting what they want to believe, and not what the study actually says.

As I write in a post at Climate Skeptic, this is part and parcel of a new post-modernist science, where (as MaxedOutMamma writes) "If a
research finding could harm a class of persons, the theory is that
scientists should change the way they talk about that finding".

Today's Science Experiment

(Cross posted from Climate Skeptic)

Using this chart from the NOAA:

Marchmay2008conus

Explain how larger than average midwestern flooding in 2008 is due to global warming.  For those
who wish to make the argument that global temperatures, not just US
temperatures, matter because the world is one big interelated climate system,
you may use this chart of global temperatures instead in your explanation:

Rss_may_08520

For extra credit, also blame 2008 spike in tornadoes on global warming.  Don't forget to explain how global warming caused the late onset of Spring this year and the especially heavy snowfalls over the winter. 
Thanks for charts to Anthony
Watt
.

Great Supporters of Science over Faith, Except When They're Not

Democrats are great public supporters of science over faith (e.g. stem cell research, evolution) except when the science is economics and one's faith is in government.

Phthalates and Cargo Cult Science

First it was breast implants, then thimerosal, and now it is phthalates.  Each have been attacked in turn by the junk-science / media / tort law complex.  Nobel Prize-winning chemist William Knowles wrote this week:

Lawmakers -- representing the concern of parents influenced by certain
environmentalists -- are calling for an outright ban of phthalates from
children's toys because of the misguided belief that by exposing
children to toys made with these chemicals we are putting their health
at risk.

Phthalates have a long history of attacks by environmental groups
dating back more than 30 years. Even then babies were of prime
consideration. Few chemicals have undergone such extensive testing and
survived as being safe. In fact, diisononyl phthalate, the most
commonly used phthalate in children's toys, has been subjected to more
than 200 tests....

Today, with no new scientific evidence, we are again challenging
phthalates as dangerous to babies and threatening to ban them. These
are products that have survived the toughest test of all, the test of
time. There is no evidence that babies or anyone else has ever been
harmed by them.

Eliminating phthalates from consumer products would be a true
challenge. Even more worrisome, however, is the notion that any
replacement would ever be able to pass the extreme scrutiny diisononyl
phthalate and other phthalates have.

There is nothing wrong with examining the products our children
come into contact with to be sure they pose no health risks. However,
in this case, it would be a great mistake to ban what has been proven
to be a benign product without some further scientific evidence.

Why Is "Big Soybean" Getting A Pass?

Would an oil company get roasted for this or what:

Call it a soybean spat. The University of
Minnesota isn't going to receive any research funding from the state's
soybean growers council until the two parties have a heart-to-heart
talk next week.

The Minnesota Soybean Research and Promotion Council voted to
temporarily suspend its financial support after a study co-authored by
U researchers in the journal Science said increased use of biofuel
crops like corn and soybeans could worsen global warming, not lessen
it.

The council typically picks up the tab for $1 million to $2
million a year for research on such things as how to increase soybean
yields and how to improve marketing, said Jim Palmer, president of the
Minnesota Soybean Growers Association.

The funding relationship has gone on for decades and was good until now, both the growers and the university said.

The study, published Feb. 7 by the University of Minnesota and
the Nature Conservancy, an environmental advocacy group, warned that
converting prairie or peatland to cropland for corn and soybeans would
release more carbon stored in plants and the ground as carbon dioxide,
the main greenhouse gas that contributes to global warming.

My dad is a University of Iowa grad and has tried for years to get them to demonstrate a higher quality of scholarship around the ethanol issue.  Good freaking luck.

No More Mike's Hard Lemonades For Me

OK, perhaps it is a guilty pleasure, but I enjoy downing a couple of Mike Hard Lemonade's on a hot afternoon.  Now, it seems, the Food Nazi's at the Center for Science in the Public Interest want to stop me"

Public Citizen's blog announced that CSPI
plans to sue the beverage sellers, asking for disgorgement of profits
from flavored malt beverages, unless they agree to take them off the
market. Their theory? By making flavored alcoholic beverages that taste
good, they are effectively marketing to children. (Because, after all,
adults don't like beverages that taste good.)

Update on the Science Project

We're having a lot of fun with the post of my son's science project measuring the Phoenix urban heat island.  The original post has nearly 60 comments and at least five long updates.  Go back and read it all, its like a whole new post.

Commenters are slamming my son for having an R-squared that is insufficient (only 84%!)  I have challenged them to post the R-squared of their vinegar and baking soda volcano they did in eighth grade.

Oops, There Goes Another Bridge

I probably shouldn't criticize a curriculum that I have not observed, but as someone who studied engineering the old-fashioned way (ie with lots of math and equations) this looks kind of worrisome:

Today's Christian Science Monitor profiles Glenn Ellis, a professor who helped develop Smith's innovative engineering curriculum, which emphasizes context, ethics, and communication as much as formulas and equations.

We know that when the goals in public schools were shifted from education to graduation and retention (e.g. social promotion), the results were disastrous.   So one has to be a little wary of a curriculum aimed more at retention than, you know, designing bridges correctly:

Smith, the first women's college to offer an engineering degree, graduated its first class of engineers in 2004, and since the program's creation, in 1999, has attained a 90-percent retention rate.

Hmm.  Well, if they are teaching the same material in a more engaging manner, fine.  But lower degree retention rates in hard core engineering programs is not a "female thing."  I know that we had a lot of attrition from the harder engineering degrees (mechanical, chemical) at Princeton even among Ivy-League-Quality students and even among the males. 

Hat tip: TJIC

A Junior High Science Project That Actually Contributes A Small Bit to Science

Cross-posted from Climate Skeptic

Tired of build-a-volcano junior high science fair projects, my son and I tried to identify something he could easily do himself (well, mostly, you know how kids science projects are) but that would actually contribute a small bit to science.  This year, he is doing a project on urban heat islands and urban biases on temperature measurement.   The project has two parts:  1) drive across Phoenix taking temperature measurements at night, to see if there is a variation and 2) participate in the surfacestations.org survey of US Historical Climate Network temperature measurement sites, analyzing a couple of sites for urban heat biases. 

The results of #1 are really cool (warm?) but I will save posting them until my son has his data in order.  Here is a teaser:  While the IPCC claims that urban heat islands have a negligible effect on surface temperature measurement, we found a nearly linear 5 degree F temperature gradient in the early evening between downtown Phoenix and the countryside 25 miles away.  I can't wait to try this for myself near a USHCN site, say from the Tucson site out to the countryside.

For #2, he has posted two USHCN temperature measurement site surveys here and here.  The fun part for him is that his survey of the Miami, AZ site has already led to a post in response at Climate Audit.  It turns out his survey adds data to an ongoing discussion there about GISS temperature "corrections."

Miami_az_mmts

Out-of-the-mouth-of-babes moment:  My son says, "gee, dad, doesn't that metal building reflect a lot of heat on the thermometer-thing."  You can bet it does.  This is so obvious even a 14-year-old can see it, but don't tell the RealClimate folks who continue to argue that they can adjust the data for station quality without ever seeing the station.

This has been a very good science project, and I would encourage others to try it.  There are lots of US temperature stations left to survey, particularly in the middle of the country.  In a later post I will show you how we did the driving temperature transects of Phoenix.

Pseudo-Science Wack-a-Mole

Well, another pseudo-scientific "threat" that made front pages everywhere has been shot down by careful science.  Most of these stories are so dumb they shouldn't have ever made the press in the first place, but even when the weight of science is piled up against scare-mongering conjecture, the media addiction to treating these "threats" seriously still cannot be cured.  Just observe the continued media treatment of Thimerosal-autism concerns as somehow justified despite rock-solid science that there is no connection.  How long do we have to keep playing pseudo-science wack-a-mole?  Will media editors ever be able to bring respectability to their profession vis-a-vis science-related issues?

Fuel Without the Fossil

A number of years ago I read The Deep Hot Biosphere by Thomas Gold because I was working on a novel which included extremophile bacteria.  Gold's premise was that some/many/most underground hydrocarbons were actually produced underground from methane deep in the earth that is converted by underground bacteria to longer-chain hydrocarbons as they move toward the surface.    Many thought gold to be a quack, including most in the oil industry, but I thought his hypothesis at least intriguing enough to test.  Which someone apparently has:

An article in Science today seems to suggest that the abiotic theory is correct. In a fairly dense article entitled "Abiogenic Hydrocarbon Production at Lost City Hydrothermal Field,"
researchers Proskurowski et al., find evidence of the abiogenic
formation of short-hydrocarbon chains in an area where hydrocarbons
would not otherwise be able to form by the biogenic theory. What
Proskurowski et al. identified was the formation of carbon chains 1 to
4 carbon atoms in length, with shorter chains forming deeper, and with
isotopic signatures ruling out biogenic origins. The conclusion of the
article is as follows: "Our findings illustrate that the abiotic
synthesis of hydrocarbons in nature may occur in the presence of
ultramafic rocks, water, and moderate amounts of heat."

My sense is that we may now say a fraction of oil is abiogenic, but are a long way from saying that any serious percentage is of non-fossil sources.  But it is interesting.

The Fascists Have Jumped the Shark

Via the Junkfood Science blog,

It has actually happened. Lawmakers have proposed
legislation that forbids restaurants and food establishments from
serving food to anyone who is obese (as defined by the State). Under
this bill, food establishments are to be monitored for compliance under
the State Department of Health and violators will have their business
permits revoked.

Unbelievable.  And not that this would make it right, but the ban is not even on serving certain types of fattening foods, but on serving any food.  Here is the key part of the law:

Any food establishment to which this section
applies shall not be allowed to serve food to any person who is obese,
based on criteria prescribed by the State Department of Health after
consultation with the Mississippi Council on Obesity Prevention and
Management established under Section 41-101-1 or its successor. The
State Department of Health shall prepare written materials that
describe and explain the criteria for determining whether a person is
obese, and shall provide those materials to all food establishments to
which this section applies. A food establishment shall be entitled to
rely on the criteria for obesity in those written materials when
determining whether or not it is allowed to serve food to any person.

Uncovering Some Really Bad Science

Kevin Drum thinks he has a killer analysis supporting government health care.  In a post he titles sarcastically "Best Healthcare In the World, Baby," Drum shares this chart:

Blog_deaths_amenable_healthcare

The implication is that the US has the worst healthcare system, because, according to this study, the US has the highest rates of "amenable mortality," defined as deaths that are "potentially preventable with timely and effective health care."

I get caught from time to time linking to studies that turn out to have crappy methodology.  However, I do try to do a little due diligence each time to at least look at their approach, particularly when the authors are claiming to measure something so non-objective as mortality that was "potentially preventable."

So, when in doubt, let's look at what the author's have to say about their methodology.  The press release is here, which gets us nowhere.  From there, though, one can link to here and then download the article from Health Affairs via pdf  (the site is gated but I found that if you go through the press release site you can get in for free).

The wording of the study and the chart as quoted by Mr. Drum seem to imply that someone has gone through a sampling of medical histories to look at deaths to decide if they were preventable deaths.  Some studies like this have been conducted.  This is not one of them.  The authors do not look at any patient data.

Here is what they actually did:  They arbitrarily defined a handful of conditions as "amenable" to care.  These are:

Ischemic Heart Disease (IHD)
Other circulatory diseases
Neoplasms (some cancers)
Diabetes
Respiratory diseases
Surgical conditions and medical errors
Infectious Diseases.
Perinatal, congenital, and maternal conditions
Other (very small)

All the study does is show how many people died in each country from this set of diseases and conditions.  Period.  It doesn't determine if they got care or if they in particular could have been saved, but just that they died of one of the above list of conditions.  This study was not an effort to identify people who died when their particular condition should have been preventable or amenable to care;  all it measures is the number of people in each country who died from list of conditions.  If Joe is talking to me and in the next second flops over instantly dead of a massive heart attack, the author's consider him to have died of a disease amenable to care.

We can learn something by looking at the breakdown of the data.  If you can't read the table below, click on it for a larger version

Amenablediseases_2

Let's take the data for men.   The study makes a big point of saying that France is much better than the US, so we will use those two countries.   In 2003, France has an "amenable disease" death rate 56 points lower than the US.  But we can see that almost this whole gap, or 42 points of it, comes from heart and circulatory diseases.  The incidence of these diseases are highly related to diet and lifestyle.  In fact, it is well established that the US has a comparatively high incidence rate of these diseases, much higher than France.  This makes it entirely possible that this mortality difference is entirely due to lifestyle differences and disease incidence rates rather than the relative merits of health care systems. In fact, this study is close to meaningless.  If they really wanted to make a point about the quality of health care systems, they would compare them on relative mortality with a denominator of the disease incidence rate, not a denominator of total population.

But in their discussion, the study's authors reveal themselves to be, if I am reading them right, complete idiots in terms of statistical methods.  The authors acknowledge that lifestyle differences may be a problem in their data.  This is how they say they solved this problem:

It is important to recognize that the development of any list of indicators of amenable mortality involves a degree of judgment, as a death from any cause is typically the final event in a complex chain of processes that include issues related to underlying social and economic factors, lifestyles, and preventive and curative health care. As a consequence, interpretation of findings requires an understanding of the natural history and scope for prevention and treatment of the condition in question. Thus, in the case of IHD, we find accumulating evidence that suggests that advances in health care have contributed to declining mortality from this condition in many countries, yet it is equally clear that large international differences in mortality predated the advent of effective health care, reflecting factors such as diet and rates of smoking and physical activity.16 To account for this variation, we included only half of the mortality from IHD, although, based on the available evidence, figures between, say, 25 percent and 70 percent would be equally justifiable.

I have a very smart reader group, so my sense is that many of you already see the gaffe here.  The author's posit that 50% of heart disease may be due to lifestyle, though the number might be higher or lower.   So to correct for this, they reduce every country's heart disease number (IHD) by a fixed amount of 50%.  WTF??  This corrects for NOTHING.  All this does is reduce the weighting of IHD in the total measure. 

Look, if the problem is that lifestyle contribution to heart disease varies by country, then the percentage of IHD deaths that need to be removed because the deaths are lifestyle related will vary by country.  If the US has the "worst" lifestyle, and the number for lifestyle deaths is about 50% there, it is going to be less than 50% in every country.  The correction, if an accurate one could be created, needs to be applied to the variance between nations, not to the base numbers.  Careful multiple regressions might or might not have sorted the two sets of causes apart, but dividing by 50% doesn't do anything.  This mistake is not just wrong, it is LAUGHABLE, and calls into question the author's qualification to say anything on this topic.  They may be fine doctors, but they don't know squat about data analysis.

There may be nuggets of concern for the US lurking in this data.  I don't know how they measure deaths from surgical conditions and medical errors, but its not good to be higher on this.  Though again, you have to be careful.  The US has far more surgeries than most other countries per capita, so we have more surgical deaths.  Also, medical error data is notoriously difficult to compare country to country because reporting standards and processes are so different.  In the US, when the government measures medical errors, it is a neutral third party to the error.  In Europe, the government, as healthcare provider, is often the source of the error, calling into question how aggressive these countries may be in defining "an error."  Infant mortality data is a good example of such a trap.  The US often looks worse than European nations on infant mortality because it is defined as infant deaths as a percentage of live births.  But the US has the most advanced neo-natal capabilities in the world.  Many pregnancies that would result in a "born dead" in other countries result in a live birth in the US.  Since these rescued births are much more problematic, their death rate is much higher.

There is good news for the US in the study.  The item on this list most amenable to intensive medical intervention is cancer (neoplasms in the study above).  In that category, despite a higher incidence rate than many of these countries, the US has one of the lowest mortality rates as a percentage of the total population, which implies that our cancer mortality in the US as a percentage of cancer incidence is much better than these countries.  This shows our much higher 5-year cancer survival rates.

Update:  I thought this was pretty clear, but some of the commenters are confused.  The halving of IHD numbers was applied to all countries, not just the US.  So the actual male US IHD number is about 100 before halving and the actual French number is about 40.  Again, this halving only reduces the weighting of IHD in the total index; it in no way corrects for differences in incidence rate.