Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Sound at the right vibration can bore holes through a solid object.
134
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Most dust particles in your house are made from dead skin!
67