The only letter not appearing on the Periodic Table is the letter "J".
180
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Sound travels about 4 times faster in water than in air.
408
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
German chemists made a replica of a trophy the size of one molecule.
68
Most dust particles in your house are made from dead skin!
67
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
Most dust particles in your house come from dead skin.
48