In zero gravity, a candle's flame is round and blue.
16
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Scientists aren't sure what color dinosaurs were.
312
Hot water can freeze faster than cold water.
181
The average temperature at 40,000 feet above sea level is -60 F.
56
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21