Pumice is the only rock that floats on water.
14
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
One ragweed plant can release as many as one billion grains of pollen!
51
Billions of neutrinos pass unnoticed through your body every second.
6
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Your brain is 80% water.
525
