The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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You forget 90% of your dreams.
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The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
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Your body is creating and killing about 2.4 million red blood cells per second.
17
No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
154
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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