In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
A cow produces around 200,000 glasses of milk in her lifetime.
373
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 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
Your body is creating and killing about 2.4 million red blood cells per second.
17
Your thumb is about the same size as your nose.
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