Drone Photos That You Won’t Believe Aren’t Photoshopped

The More You Know

• Tears contain a natural painkiller, which reduces pain and improves your mood.
• 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.
• A "jiffy" is an actual unit of time.
• Great white sharks are so scared of killer whales that they'll avoid an area for up to a year after spotting one.