- Sound travels about 4 times faster in water than in air.
- The coins thrown into the Trevi fountain in Italy are collected for charity.
- You can tell what a narwhal has eaten each year based on the layers of its tusk.
- The fastest insect is the Australian dragon fly (its top speed is 57 km/h (35mp/h)).
- Lightning strikes the Earth 6,000 times every minute.
- Despite its hump, a camel has a straight spine.
- A spider's silk is stronger than steel.
- Ostriches have a 14 meter (46 foot) long small intestine.
- Domestic cats dislike citrus scents.
- The smallest bones in the human body are found in your ear.
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