Twenty-four rare black-footed ferrets freed on private land in Kansas are believed to be the first of their kind in the area in more than 50 years.

Biology -

Dec 25, 2007 4.3 / 5 (9) 1

One of the deadliest forms of cancer appears to carry a specific weakness. When a key gene called 14-3-3zeta is silenced, lung cancer cells can't survive on their own, researchers have found.

Medicine & Health - Cancer

Dec 25, 2007 5 / 5 (7) 0