- Sharks lose teeth a lot when they eat. Some sharks will replace as many as 25,000 teeth in a lifetime.
- An ostriches life span is 40-45 years.
- Tennis was originally played with bare hands.
- Ants stretch when they wake up in the morning.
- Wooly mammoths grew as tall as 14 feet, weighing 10 tons. Mammoths used tusks for protection and to attract mates.
- It takes a plastic container over 50,000 years to start decomposing.
- Different names for the number 0 include zero, nought, naught, nil, zilch and zip.
- Only male turkeys gobble.
- You have over 600 muscles.
- Flightless birds, like the penguin, could once fly.
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