It was a dramatic demonstration when former Primate Center technician Jennifer Campbell mounded two piles of lemur food -- one large, one much smaller -- on a table a few years ago. Her point: The ...

Deep in the Madagascan rain forest, a lemur and his daughter chatter softly as they climb through towering spires of bamboo. Tiny, furry creatures, with snub noses and tufts of white hair sprouting ...