Scientists aren't sure what color dinosaurs were.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
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The earth is approx. 6,588,000,000,000,000,000 tons.
175
Iron weighs more after it rusts.
68
Liquid TIDE laundry detergent glows under a blacklight.
96
One third of the electricity produced on earth is used to power electric light bulbs!
75
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
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