If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
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Your body is creating and killing about 2.4 million red blood cells per second.
17
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
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Your thumb is about the same size as your nose.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
13