› added 7 years ago

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TIL that 70% of suicides in the U.S. are committed by white men

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6EQ07 TIL that like homo sapiens, tasmanian devils are the last surviving species of their genus.
9YgA6 TIL before alarm clocks were cheap or reliable, "knocker-uppers" specialized in waking people up in the morning by shooting dried peas with blow guns at their windows. They would not leave until they made sure that their clients had actually awoken.
7kDb TIL that the 4th best supercomputer in the world simulated the equivalent of 1 second of human brain activity, but it took about 40 minutes.
X0PQP Today I learned that epigenetics can be used to predict sex across mammals at close to 100% accuracy. A notable exception are marmosets, and methods that work on other mammals can only predict marmoset sex accurately 66% of the time.
W7dwd TIL: Economist Michael Housman used to data from 30,000 employees to find correlations between their preferred browser and job performance. Employees who used Firefox/Chrome stay 15% longer and were 19% less likely to miss work and had happier customers than employees who used IE or Safari.