Diamonds can be shattered with a hammer.
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There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Scientists are now able to grow 'beating' heart tissue in a lab!
162