Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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If the chemical sodium is dropped into water it will immediately and violently explode.
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Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
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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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Sound travels fifteen times faster through steel than through air.
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Scientists are now able to grow 'beating' heart tissue in a lab!
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A cubic yard of air weighs about 2 pounds at sea level.
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