Genius Wasps Can Recognize Their Friends' Faces

Okay, maybe not their "friends" exactly — it's unclear if wasps have friends. However, scientists have found that one species of paper wasp could recognize and distinguish between images of their own kind's distinctively-marked faces. And they recognized these images much more quickly than other pictures, like… » 12/01/11 6:30pm 12/01/11 6:30pm