Balsa wood is classified as a hard wood!
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There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
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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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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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Scientists are now able to grow 'beating' heart tissue in a lab!
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Optical illusions occur when what the eyes see conflicts with what the brain expects.
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In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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