In zero gravity, a candle's flame is round and blue.
16
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
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
Nearly 50% of the world's scientists are assigned to military projects.
71
For every gallon of sea water, you get more than a quarter pound of salt.
45
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101