In a changing ecosystem, Yellowstone grizzly bears are resilient

Grizzly bears in the Greater Yellowstone Ecosystem have been able to gain the body fat they need for hibernation even as population densities have increased and as climate change and human impacts have changed the availability ...

Stop eating! You are full

Researchers have identified a molecule sent by fat cells to the fly brain that senses when they have had enough food and inhibits feeding, according to a study publishing March 28 in the open access journal PLOS Biology by ...

One in four military applicants denied due to obesity

At a time when American military forces are stretched thin overseas, a growing number of potential recruits are too fat to enlist, according to an analysis by Cornell economists.