Pictures reveal how animals keep warm
Photographs released by London zoo show the ways animals use fur, feathers and hair to insulate themselves and keep warm guardian.co.uk
Nanoparticles could make hydrogen cheaper than gasoline
EE Times: The hydrogen economy is getting a shot in the arm from a start-up that says its nanoparticle coatings could make hydrogen easy to produce at home from distilled water, and ultimately bring the cost of hydrogen fuel cells in line with that of fossil fuels. nanoforum.org
A Sand Dollar Riddle
The defense mechanism of sand dollars against predators is literally to split themselves in two, new research indicates. nytimes.com
Sweeps of Human DNA Yield Discoveries
NEW YORK (AP) -- Scientists are scanning human DNA with a precision and scope once unthinkable and rapidly finding genes linked to cancer, arthritis, diabetes and other diseases.... hosted.ap.org
Observatory: Measuring a Hurricane by Sound Underwater
Scientists report a strong correlation between the intensity of sound recorded by an undersea microphone and the wind power of a hurricane that passed over it. nytimes.com