Changeable plastic mimics sea cucumber's trick
CHICAGO (Reuters) - A new material inspired by a defense mechanism in sea cucumbers can change easily from hard and rigid to soft and floppy, a feature that may make it suited for medical implants, U.S. researchers said on Thursday. feeds.reuters.com
Bats Perish, and No One Knows Why
Virus? Bacteria? Environmental toxin? Scientists are racing to diagnose a syndrome that is threatening several bat species. nytimes.com
Vanished: A Pueblo Mystery
Why, in the late 13th century, did a people called the Anasazi abandon magnificent settlements of the Colorado Plateau and move south into Arizona and New Mexico? nytimes.com
Democrats say politics at work in toxic chemical decisions
WASHINGTON (AP) -- Democratic senators accused the Bush administration Tuesday of injecting politics into the Environmental Protection Agency's assessment of health risks from toxic chemicals, citing a congressional investigation that concluded the assessments are being undermined by secrecy and White House involvement.... hosted.ap.org