For every gallon of sea water, you get more than a quarter pound of salt.
45
Scientists aren't sure what color dinosaurs were.
312
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Your brain is 80% water.
525
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
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
A ball of glass will bounce higher than a ball made of rubber.
73
One ragweed plant can release as many as one billion grains of pollen!
51