The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
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
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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