- Ocean algae produces about 75 percent of the world's oxygen.
- The woodpecker can hammer wood up to 16 times per second.
- Mistletoe is evergreen -even after a tree's leaves have fallen, it stays green.
- Cheetahs can accelerate from 0 to 70 km/h (43mp/h) in 3 seconds.
- You can't tickle yourself.
- Water can boil and freeze at the same time.
- Light is electro magnetic radiation.
- Hummingbirds are the only bird that can fly backwards.
- 11% of people are left handed.
- Dairy products account for 29% of all food consumed in the U.S.
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