A cubic yard of air weighs about 2 pounds at sea level.
31
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
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
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The average temperature at 40,000 feet above sea level is -60 F.
56
Pure water (H2O) does not conduct electricity on its own.
46