Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
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
Liquid TIDE laundry detergent glows under a blacklight.
96
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Sound at the right vibration can bore holes through a solid object.
134