Proceedings of the National Academy of Sciences of the United States of America, Vol. 89, No. 12 (Jun. 15, 1992), pp. 5502-5506 (5 pages) The mutant axolotl Short toes develops with abnormal kidneys, ...

Humans are the only great apes to routinely walk on two legs, a posture that relies on us having long legs, short arms and narrow hips. A study 1, published this week in Science, has generated a map ...

A powered prosthetic leg that predicts when the wearer is about to take steps on flat or inclined surfaces, or climb stairs, helped improve prosthesis control in a small new study. The control system, ...