(Photo: John Lambert Pearson)Do you miss the days...  ...thropology. The authors discovered that among all primates , humans sleep the least. Esther Inglis-Arkell exp...  ...nimals like mouse lemurs devote to sleeping. Some primates sleep up to 17 hours a day. And it holds true in...  ...tural light.We do, howev...

Humanity, meet your new grandpa:...  ...more than 30 grams, has become the earliest known primate in the fossil record. Archicebus achilles lived...

The Horton Plains slender loris has never been...  ...rchers led by Saman Gamage have captured the tiny primate on camera in Sri Lanka. The pictures show a 20-c...  ...re published in the latest edition of the journal Primate