A cubic yard of air weighs about 2 pounds at sea level.
31
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Pure water (H2O) does not conduct electricity on its own.
46
Pumice is the only rock that floats on water.
14
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
4.5 pounds of sunlight strike the Earth each day.
27