- No two spider webs are the same.
- The surface area of a brick is 79 cm squared.
- A snail can sleep for 3 years.
- It took Leonardo Da Vinci 10 years to paint Mona Lisa.
- Fresh apples float because 25 percent of their volume is air.
- Blue whale tongues can weigh 8,000 pounds, or as much as an elephant, and their hearts weigh close to a ton.
- Squids can have eyes the size of a volleyball.
- Oak trees don't produce acorns until they are 50 years old.
- 10% of with world's food supply is consumed by insects.
- Giant tortoises can live in captivity longer than any other animal.
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