The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Pure water (H2O) does not conduct electricity on its own.
46
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 brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
A cubic yard of air weighs about 2 pounds at sea level.
31