John Whiteman says that most of his fun comes from thinking about how events outside an animal affect events inside an animal. For his PhD research, he’s studying how warm weather during summer can make hunting difficult for polar bears, forcing them to make seasonal adjustments such as living off of their own body fat. He’s also investigating how these adjustments may be affected by longer Arctic summers caused by climate change.
On the Edge of the Arctic National Wildlife Refuge
KAKTOVIK, ALASKA-- The size of polar bears always amazes me. This bear had paws that were as wide as my hand is long, and it was not even a large male. The largest males can weigh over 1500 lbs, twice as much as this bear... {Read More »}
