A cesium atom in an atomic clock beats over nine billion times a second.
43
A cubic yard of air weighs about 2 pounds at sea level.
31
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Most dust particles in your house come from dead skin.
48
Nearly 50% of the world's scientists are assigned to military projects.
71
Brass doorknobs automatically disinfect themselves in about 8 hours.
18