Fruit flies offer clues to how brains make reward-based decisions

Man who sees upside down provides clues on how we process faces

Why are you better at recognizing upright faces? Clues from a person who sees the world differently

This weekend NASA will attempt a "highly choreographed" operation to deliver an ancient "grandfather rock," as the team calls it, to Earth. This piece of an asteroid could provide clues about how our solar system evolved, and is the largest sample ever collected from beyond the orbit of the Moon.