Your brain is 80% water.
525
Pure water (H2O) does not conduct electricity on its own.
46
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Sound at the right vibration can bore holes through a solid object.
134
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39