- Each red blood cell lives an average of 4 months and travels between the lungs and other tissue 75,000 times before returning to bone marrow to die.
- Over 100 people choke to death on ballpoint pens each year.
- A group of owls is called a parliament.
- Atychiphobia is the fear of failure.
- 21% of people don't make their bed in the morning.
- Male humpback whales can sing up to half an hour nonstop and even mimic other whale songs.
- Snakes can't blink.
- The spiral shapes of sunflowers follow the Fibonacci sequence.
- In 1872 Yellowstone in the US was the world's first national park.
- Penguins mate for life and both parents care for their young.
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