› added 8 years ago

232

TIL that NASA has discovered over 3,200 planets, all confirmed with 99 percent certainty.

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XEryj TIL oily rags can spontaneously self-ignite because the oil reacts with oxygen in a reaction to produce heat, and a bunched up cloth can trap the heat enough to reach ignition temperatures.
oBemW TIL uranium is one of the more common elements in the Earth’s crust. 40 times more common than silver and 500 times more common than gold.
xrNg TIL Google hires programmers through their own search engine
R7y67 TIL that the non-existent Kingdom of Araucanía and Patagonia has had pretenders to the throne from 1860 to the present day
LyoP TIL that elephants not only tend to grieve for their dead, they also have the ability to recognize skulls of other elephants. They examine the remains with their feet and trunks, paying special attention to the skulls and tusks of even long-dead elephants.