nature

Amazing: A biologist captured and shared a close-up photo of a tiny swordfish, measuring just a few millimeters. "Most year-old swordfish aren't yet mature; we can call them overgrown babies," wrote biologist Juan S. Levesque in an article published in Florida's sports magazine.

How do butterflies taste with their legs, how deep do pine tree roots really go, and why can't you cry in space? Discover intriguing scientific tidbits about life.