The force of a suction cup is calculated using F=AP.
15
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Hot water can freeze faster than cold water.
181
In zero gravity, a candle's flame is round and blue.
16
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Most dust particles in your house come from dead skin.
48
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21