Indoor pollution is 10 times more toxic than outdoor pollution.
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Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
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
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
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.
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