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Did you know? Sound travels four times faster in water than in air
Did you know? The first photo took 8 hours to expose
Did you know? Each neuron in your brain can send 1,000 impulses per second
Did you know? Octopuses have three hearts
Did you know? The first 1GB hard drive weighed over 500 pounds and cost $40,000
Did you know? It can rain diamonds on other planets
Did you know? Wearing a tie can reduce blood flow to the brain by 7.5%
Did you know? A genetic error led humans to develop larger brains
Did you know? Trees at the edge of forests grow faster than those in the middle
