- Sponges hold more cold water than hot.
- Kangaroos cannot jump without their tails touching the ground.
- Mathematical developments increased rapidly around the time of the Italian Renaissance in the 16th century and continued through the scientific revolution of the 17th and 18th centuries, becoming increasingly abstract in the 19th and 20th centuries.
- Einstein slept 10 hours a night.
- Shrimps are all born male but slowly grow into females.
- Scotland has the most redheads.
- Only male turkeys gobble.
- Most cows produce more milk when they listen to music.
- Giant tortoises can live in captivity longer than any other animal.
- Pound cake got its name from the original recipe which called for a pound of butter.
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