We Still Don't Know Why Men Find Ovulating Women More Attractive

Are you in a public place? Look around. Can you tell whether any of the women you see are ovulating, just by looking at them? Neither can anybody else. But several small studies have suggested that men nevertheless find women’s faces more attractive when they’re most fertile. No one knows what signals the men are… »7/01/15 8:20pm7/01/15 8:20pm

Monkeys Make The Same Bad Gambling Decisions That Humans Do

Humans have a remarkable ability to see patterns where none exist. In the hot-hand phenomenon we perceive streaks of wins or losses where the data, in truth, are random. New research shows that monkeys are subject to the same bias, which might suggest that the bias is evolutionarily adaptive, and maybe even rational. »7/01/14 10:40am7/01/14 10:40am

Like humans, chimps and orangutans remember their past

Sometimes a particular smell, flavor or other sensory cue can trigger a flood of distant memories. New research shows chimpanzees and orangutans have similar capacities for this kind of episodic memory — they're able to accurately recall an event that happened three years prior. The results suggest, once again, that… »7/18/13 4:20pm7/18/13 4:20pm

Fossils reveal the evolutionary split between monkeys and apes

Scientists have discovered fossils of two newfound primate species, dating back to 25 million years ago. One fossil belongs to the group that contains great apes (hominids), while the other is from the group that includes Old World monkeys. The discovery may mark the moment when our primate ancestors first diverged… »5/16/13 2:40pm5/16/13 2:40pm