Uber and Lyft Moments That Range from Wholesome to Downright Weird

The More You Know

• A Nepalese doctor has restored the sight of over 100,000 often poverty-stricken people in the last thirty years across Asia and Africa using a 5 minute procedure and an inexpensive artificial lens.
• Your brain is sometimes more active when you're asleep than when you're awake.
• The woolly mammoth survived until Egyptian times.
• The stars and flashes of light you see when you rub your eyes are called "phosphenes."