Nearly 50% of the world's scientists are assigned to military projects.
71
German chemists made a replica of a trophy the size of one molecule.
68
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
A cubic yard of air weighs about 2 pounds at sea level.
31
Iron weighs more after it rusts.
68
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75