Diamonds can be shattered with a hammer.
-104
Pumice is the only rock that floats on water.
14
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Billions of neutrinos pass unnoticed through your body every second.
6
One ragweed plant can release as many as one billion grains of pollen!
51
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
A cesium atom in an atomic clock beats over nine billion times a second.
43
