This Week: Death of the mastadon
In the News: Antarctic ozone hole: 10th largest on record!
Coming Thursday: Return of the wild: Coyotes, bears and turkeys are back!
Vegetable garden to sprout on south lawn of White House; first since WWII.
Screening test for slow-growing cancer may itself be harmful.
Jacking up the price of high-fat food could cut obesity, study finds.
Reaction to Obama’s stem-cell announcement
Transparency in Gov’t. Obama faces decision on access to federal scientists.