Biologists crack the case of sea turtles' 'lost years' with a little help from a nail salon technician.
Time to choose your favorite winter snapshot out of our 10 finalists.
This nature photographer is drawn to pictures that capture a subject's essence and tell a story.
Perform an experiment to determine whether smooth or wrinkled fingers are better at holding wet objects. The experiment requires only a water bottle, paperclip, and plastic ruler. Downloads: Video, student data sheet, illustrated instructions