Pumice is the only rock that floats on water.
14
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
The sun is 330,330 times larger than the earth.
75
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9