- #1 The human brain takes in 11 million bits of information every second but is aware of only 40.
- #2 If you drilled a tunnel straight through the Earth and jumped in, it would take you exactly 42 minutes and 12 seconds to get to the other side.
- #3 A medium-sized cumulus cloud weighs about the same as 80 elephants.
- #4 A single bolt of lightning contains enough energy to cook 100,000 pieces of toast.
- #5 Gorillas and potatoes have two more chromosomes than humans do.
- #6 Human saliva contains a painkiller called opiorphin that is six times more powerful than morphine.
- #7 In an average lifetime, human skin completely replaces itself 900 times.
- #8 The air in an average-sized room weighs about 100 pounds.
- #9 If you were to drive your car to space, it would take about an hour for you to get there.
- #10 Lava can flow as fast as a sprinting greyhound.
- #11 A red blood cell can make a complete circuit of your body in 20 seconds.
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