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. Lava can flow as fast as a sprinting greyhound.
10. A red blood cell can make a complete circuit of your body in 20 seconds.
