Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
According to studies, men change their minds two to three times more often than women.
72
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Diamonds can be shattered with a hammer.
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