Sound travels about 4 times faster in water than in air.
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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MIT has developed a camera that captures the speed of light at a trillion frames per second.
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Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
One ragweed plant can release as many as one billion grains of pollen!
51
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5