One cubic foot of gold weighs more than 1,200 pounds!
78
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
If the chemical sodium is dropped into water it will immediately and violently explode.
67
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
The average home creates more pollution than does the average car.
33
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
According to studies, men change their minds two to three times more often than women.
72