› added 6 years ago

158

TIL that only about 10% of stock trades are done by actual humans. The remainder is done by high frequency trading algorithms and day trading bots.

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X0nXQ TIL: That there are over 219 million synthetic chemicals, 5000 of which are classified as high-production-volume chemicals
rN0MM TIL that people with depression tend to see the world in less saturated colors due to changes in the retina’s response to contrast.
mxwAp TIL 1 in every 10000 people have their internal organs completely mirrored- as a result, the heart is on their right side. Most people who have it will never be diagnosed and live a normal life.
WkDML TIL that in 1937 Fred Morrison got inspiration to create a plastic flying disc after initially throwing a pie pan from the Frisbie Pie Company. Twenty years later, the disc was named a Frisbee, as a nod to the pie company.
D1a4v TIL lightning can heat the surrounding air to as hot as 50,000 °F, three time hotter than the surface of the sun. As the super heated air cools, it produces a particular vacuum. The rapid contraction and expansion of this air is what causes thunder.