No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
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The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Your body is creating and killing about 2.4 million red blood cells per second.
17
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
The strangers in your dreams are actually people that you've seen in real life.
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