The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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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.
17
Airports that are at higher altitudes require a longer airstrip due to lower air density.
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A cesium atom in an atomic clock beats over nine billion times a second.
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Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Scientists are now able to grow 'beating' heart tissue in a lab!
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Brass doorknobs automatically disinfect themselves in about 8 hours.
18
One ragweed plant can release as many as one billion grains of pollen!
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