Biomedicine

In the December 5 Issue:

TABLE OF CONTENTS
Climate might be right for a deal: Copenhagen negotiations will take steps toward a climate-stabilizing treaty
Botanical Whales: Adventures in the Tortugas reveal that seagrass fields need saving too
Breaking the Speed Limit: Studies examine physiology and technology to better foresee the ultimate edge of human performance

::	Biomedicine

Top Stories | November 22

Science & the Public: Genome 10K: A new ark
Featured blog: Researchers are working to catalog the DNA sequences of just about every vertebrate genus.
Science & the Public: PCBs hike blood pressure
No one would choose to eat polychlorinated biphenyls, or PCBs — yet we unwittingly do. And a new study finds that the cost of their pervasive contamination of our food supply can be elevated blood pressure, a major risk factor for heart disease.
Heart attack patients get high radiation dose
Medical imaging can add up to exposure similar to what nuclear power plant workers experience.
On the Scene: Changing the paradigm around Alzheimer's disease
Prevention could begin with lifestyle in younger years, one researcher says during the American Public Health Association meeting.
Chill-out device may protect brain during heart attacks
A portable method to quickly lower body temperature passes safety tests

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Chill-out device may protect brain during heart attacks

A portable method to quickly lower body temperature passes safety tests

Science & the Public: H1N1: Call to revise flu-mask policy

Three groups of healthcare professionals sent a letter to President Obama yesterday asking that he instruct his administration to revise federal flu-mask guidance. What these groups want: formal recognition that two studies last month showed conventional surgical masks are about as protective as the fancy — but much more expensive — N95 respirators in limiting H1N1 infection.

Science & the Public: House passes medical isotopes bill

A spot of encouraging news emerged yesterday on the medical-isotope front. The House of Representatives voted 440 to 17 in favor of a bill to reestablish domestic production of molybdenum-99. It’s the feedstock for the most heavily used nuclear agent in diagnostic medicine.

Science & the Public: Nanoparticles' indirect threat to DNA

Tiny metal nanoparticles can damage DNA, essentially by triggering toxic gossip.

Science & the Public: H1N1 vaccine: Counting side effects

Pregnant women are considered at high risk for suffering complications or death from the new H1N1 pandemic swine flu. So they’re near the top of the list for getting vaccinated. A new international study calculates that up to 400 out of every million pregnant women who receive such swine-flu shots will experience a miscarriage within 24 hours. But not BECAUSE of their flu shots.

:: Science News
11|21 Issue Links

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Blogs:

Science & the Public Case of the toxic gingerbread man
By Janet Raloff Nov 21st 2009

On the Scene Changing the paradigm around Alzheimer's disease
By Science News Staff Nov 16th 2009

Columns:

Comment From fringe to electromicrobiological mainstream
By Ken Nealson Nov 20th 2009

Math Trek The four color problem gets a sharp new hue
By Julie Rehmeyer Mar 6th 2009

Not to Miss:

SN Special: The Science of Slumber

Interview: Murray Gell-Mann

SN Special: Darwin Turns 200

2008: Science News of the Year

SN Bookshelf:

Quantum Leaps by Jeremy Bernstein
Review by Tom Siegfried
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Reading in the Brain: The Science and Evolution of a Human Invention by Stanislas Dehaene
A cognitive neuroscientist describes how the brain has adapted to reading and what can cause reading...
Buy now | More Books