It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
A cesium atom in an atomic clock beats over nine billion times a second.
43
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Liquid TIDE laundry detergent glows under a blacklight.
96
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
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7