SOME cilia and flagella beat in a complex three-dimensional manner, and, in addition, the angular velocity at the tip is greater than at the base. Presumably the bundle of fibrils which make up a ...

A new study reported on by the Guardian has confirmed what climate scientists have feared for years: Earth's glaciers are melting at a record-breaking pace. Glaciers worldwide are vanishing at an ...

Courtesy of Christopher Paetkau A polar bear peacefully snoozing in a pillowy bed of flowers beat out some amazing shots to win the Nature Photography Contest! The winner of the second annual ...