Ecologists worldwide credit the work of a University of Washington biology professor for advancing the way we understand the importance of so-called “apex species” in nature. Now Professor Emeritus Robert T. Paine’s work is being recognized with Japan’s International Cosmos Prize this year.
Our four-legged friends suffer from many of the same cancers that we do. But one type of dog tumor acts like no other: It's contagious.
The tumor spreads from one pooch to another when the dogs have sex or even just touch or lick each other.
"It's a common disease in street dogs all around the world," says geneticist Elizabeth Murchison at the University of Cambridge. "People in the U.S. and U.K. haven't heard of it because it's found mostly in free-roaming dogs in developing countries."