Hot water can freeze faster than cold water.
181
Sound at the right vibration can bore holes through a solid object.
134
The storage capacity of human brain exceeds 4 Terrabytes.
140
Sound travels about 4 times faster in water than in air.
408
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
In zero gravity, a candle's flame is round and blue.
16
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
A cesium atom in an atomic clock beats over nine billion times a second.
43