Research indicates that plants grow healthier when they are stroked.
173
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
No matter how cold it gets, gasoline will not freeze.
107
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
A cubic yard of air weighs about 2 pounds at sea level.
31
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
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
One third of the electricity produced on earth is used to power electric light bulbs!
75