Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
A cubic yard of air weighs about 2 pounds at sea level.
31
The force of a suction cup is calculated using F=AP.
15
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51