The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Pumice is the only rock that floats on water.
14
German chemists made a replica of a trophy the size of one molecule.
68
The bark of an older redwood tree is fireproof.
65
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
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Liquid TIDE laundry detergent glows under a blacklight.
96
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79