Most dust particles in your house come from dead skin.
48
German chemists made a replica of a trophy the size of one molecule.
68
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Scientists aren't sure what color dinosaurs were.
312
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Cold water weighs more than hot water.
93
Your brain is 80% water.
525
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21