- The Earth is struck by lightning over 100 times every second.
- Dolphin's can detect underwater sounds from 24 km (15 miles) away.
- There are over 10 million bricks in the Empire State Building.
- Even with wings, humans would be unable to fly.
- Penguins mate for life and both parents care for their young.
- There are 2 credit cards for every person in the US.
- The drinking straw was invented in 1886.
- A compass needle does not point directly north.
- Cows don't have upper front teeth.
- Before 1850 golf balls were made of leather and were stuffed with feathers.
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