Some Genius Designed A Hamster Wheel For Cats

It's called One Fast Cat. At 48-inches across, the circular, cat-powered cat-treadmill is a gigantified version of the exercise wheels commonly associated with lab rodents. It's designed to help your feline companion exercise indoors, when it isn't busy bringing death and destruction to the outside world. » 7/20/14 9:27pm 7/20/14 9:27pm

Watch this polar bear cub take his first bath

This little cub has dealt with more than his share of struggle in his brief life. One of three male cubs born at the Toronto Zoo last November, he was the only one to survive more than 48 hours. When his mother had trouble nursing him, staff at the zoo's Wildlife Health Centre decided to intervene in the cub's… » 1/26/14 5:59pm 1/26/14 5:59pm

Evolution is steered by aggressive competition between females

One of the classic images from evolutionary theory is of two males smashing each other up to compete for the chance to fertilize a female. Scientists have spent over a century studying this kind of male competition, but new discoveries reveal that competition between females is just as important. » 11/11/13 4:42pm 11/11/13 4:42pm

New research suggests women can make sperm, and men can make eggs

What started as an investigation into developmental mouse biology has become a lot more than that. Biologist Katsuhiko Hayashi discovered a way to turn mouse skin cells into sperm and egg cells — and actually used these modified cells to create a living baby mouse. The question is, can it work in humans? » 8/21/13 9:59pm 8/21/13 9:59pm

Dolphins can remember their friends better than most humans

In case you still doubted that dolphins have an awareness rivaling our own, new research shows that these cetaceans can remember the whistles of their old tank-mates after being separated for more than 20 years! No species other than humans has demonstrated such a long-term social memory. » 8/07/13 10:00pm 8/07/13 10:00pm