Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
Sound travels about 4 times faster in water than in air.
408
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
The average home creates more pollution than does the average car.
33