Friday, March 20, 2009
Wednesday, March 18, 2009
Sunday, March 15, 2009
Thursday, March 12, 2009
Global Warming
Although a majority of Americans believe the seriousness of global warming is either correctly portrayed in the news or underestimated, a record-high 41% now say it is exaggerated. This represents the highest level of public skepticism about mainstream reporting on global warming seen in more than a decade of Gallup polling on the subject. Gallup has documented declines in public concern about the environment at times when other issues, such as a major economic downturn or a national crisis like 9/11, absorbed Americans’ attention. To some extent that may be true today, given the troubling state of the U.S. economy. However, the solitary drop in concern this year about global warming, among the eight specific environmental issues Gallup tested, suggests that something unique may be happening with the issue. Rather than seeing public opinion as a something to move as a prerequisite to action on certain climate policies, perhaps it is time for the experts to instead shape climate policies to fit the realities of public opinion. To paraphrase Walter Lippmann, the goal of politics is not to get everyone to think alike, but rather, to get people who think differently to act alike. Six in 10 Americans indicate that they are highly worried about global warming, including 34% who are worried “a great deal” and 26% “a fair amount.” Overall worry is similar to points at the start of the decade, but is down from 66% a year ago and from 65% in 2007.
STEM CELL
It's come time to lie about science again - this time about the reality of embryonic stem cell pluripotency - and some of the old lies are coming back out of the storage shed. For instance, I've heard about how adult stem cells have cured or treated 72 diseases. Oh and embryonic stem cells, they've cured none. It's been a while since we've seen this adult stem cell nonsense.
To understand the problem with this list and why these citations don't say what they think they say, we have to learn a little bit about adult stem cells and a big scary word - transdifferentiation.
The main problem with those "72 treatments" is that they were not using adult stem cells to generate new tissue, rather they used adult blood stem cells as part of the chemotherapy to replenish the patient's blood.