Venus flytraps do it, trap-jaw ants do it, and now materials scientists can do it, too - they discovered a way of efficiently converting elastic energy in a spring to kinetic energy for ...
1. Human-induced disturbance such as hunting may influence the migratory behaviour of long-distance migrants. In 1999 and 2000 a spring hunt of greater snow geese Anser caerulescens atlanticus ...
ATHENS, Ga. – Spring practice used to be, in a general sense, overrated. Five weeks for the public to get its football fix, the players to stay in shape and the coaches to get an initial look at their ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果