› added 11 years ago

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TIL Youtuber PewDiePie makes over $2.2million annually

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via reddit.com

grbW7 TIL The UK has only electrified 38% of its rail.
986r TIL that revolving doors exist to prevent drafts when the door opens, saving energy on heating and cooling.
gZ9b TIL in ancient Persia, engineers built a type of evaporative cooler that could store ice, even in the middle of summer. It is called a Yakhchal.
mxlRE TIL that Myanmar (Burma) doesn’t use the metric system, but it doesn’t use the imperial system either, instead, they have their own system of measurement called the Burmese system
9AXB TIL that while Serbs speak a Slavic language, they have more Celtic DNA than Slavic DNA, making them genetically closer to Irish or English people than Russians or Croatians.