Walking on two legs, or bipedal locomotion, was adopted by our ancestors millions of years ago, and was among the earliest features distinguishing the hominid line from the apes. Bipedal locomotion was an adaptation to life on the African plains, where...

A biped is an animal that has only two feet on the ground in order to engage in LOCOMOTION; a QUADRUPED has four feet on the ground. Having the upper limbs free for other tasks confers on to the bipedal animal some considerable advantage in such things...

ZMP of Japan began selling a two-legged walking robot Thursday that runs on Microsoft's new robotics software — a product the companies said will make it easier to transfer technology from one robot to another.U.S. software maker Microsoft Corp. is a relative latecomer to robotics....

The first loud crackle tastes and feels like popcorn, but by the time the juices spray wildly in your mouth and the filament-like legs slide down your throat, there's no mistaking this toasted ant queen. The people of sun-soaked northern...

Newsweek story by Michael Isikoff, to have served as one of Time reporter Matt Cooper's sources in a piece on the outing of Valerie Plame as a C.I.A. agent. Now the press corps and the Democrats in Congress are starting to clamor for Mr. Rove's...

After much heaving and grunting, special prosecutor Patrick J. Fitzgerald has lifted one corner of the rock under which White House deputy chief of staff Karl Rove has wriggled lo these past two years. Mr. Rove was revealed, in a Newsweek story by Michael Isikoff,...