If there was a contest for biggest female bullies of the animal world, lemurs would be near the top of the list. It's the ladies who get their way and keep males in line. In one branch of the lemur ...

Randy the ring-tailed lemur is an enthusiastic, if slightly fussy, research subject. Splay-legged and wide-eyed, he buried his snout in a purple plastic cup last week and began his experimental task ...