4.5 pounds of sunlight strike the Earth each day.
27
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
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
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
For every gallon of sea water, you get more than a quarter pound of salt.
45
Diamonds can be shattered with a hammer.
-104