Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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The earth is approx. 6,588,000,000,000,000,000 tons.
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Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
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Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
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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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Cold water weighs more than hot water.
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Your brain is 80% water.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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