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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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The strangers in your dreams are actually people that you've seen in real life.
50
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
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
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
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