› added 3 years ago

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TIL Online Trolls Actually Just Assholes All the Time, Study Finds. The internet just gives them a “megaphone to announce their opinions.”

Read more gizmodo.com

via reddit.com

P1xon TIL that on Earth, sound has a "maximum" volume (194 dB)
Br7RK TIL sperm whales seek out habitats with large communities of bioluminescent plankton, which are not part of the whale's diet. As the plankton's predators (fish) approach the plankton, their glowing alerts the whale. The whale eats the fish. The plankton then turn out their lights.
QJmEM TIL that the second tallest mountain on Earth, K2, is much deadlier to climb that Everest. Approximately one person dies on the mountain for every four who reach the summit
xk50 TIL That babies who are exclusively breastfed for the first three months have up to 30% more cognitive development than those fed exclusively formula
nWxwo TIL Arabic numbers have only existed in their present form since about the 10th century. Only a few texts using Arabic numerals appeared outside of Italy until the late 15th century. It wasn't until the mid-16th century that Arabic numbers were in common use in most of Europe