According to a new study led by Harvard researchers in Nature Neuroscience, this so-called "learning machine" speaks in two different codes—one for recently-acquired learned movements and another for ...

Never underestimate the mind of a crow. Members of a family of birds that includes ravens, rooks, magpies, and jays, crows have been known to bend wire into hooks to retrieve food; drop nuts in a road ...

What are the most interesting facts about human behavior? originally appeared on Quora: the place to gain and share knowledge, empowering people to learn from others and better understand the world.