The earth is approx. 6,588,000,000,000,000,000 tons.
175
Nearly 50% of the world's scientists are assigned to military projects.
71
The force of a suction cup is calculated using F=AP.
15
One barrel of petroleum holds 42 gallons.
20
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
A cesium atom in an atomic clock beats over nine billion times a second.
43