The Earth's atmosphere weighs about 5.5 quadrillion tons.
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During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
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Your brain is 80% water.
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Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
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There is a surgical implant being developed that will give you an orgasm at the touch of a button.
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