› added 2 years ago

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TIL fish need sleep, too, but when parrotfish sleep they wrap a cocoon of mucus around themselves – essentially, making their own sleeping bag every night that protects the parrotfish not just from predators, but from parasites.

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8vZV TIL That there was a private-sector post office in the 1800s called the American Letter Mail Company, which delivered letters for half the price the USPS charged, and was later shut down because it’s illegal to compete against the USPS.
lZ85 TIL UB40’s “Tyler” is about Gary Tyler, who was sentenced to death at age 17 for a murder he didn’t commit, and even though his trial was ruled “fundamentally unfair”, is still serving jail time to date
OopYe TIL that Australian researchers have developed a needle-free diabetes test that measures glucose levels from saliva and that can reveal their body’s glucose levels on a smartphone app.
D15GD TIL NASA's Juno spacecraft travelled 1.8 billion miles over almost five years and arrived at Jupiter on July 4, 2016 at 8:53 PM US Pacific time, only ONE SECOND off-schedule.
wLbg6 TIL that Allen Lichtman worked with V. Keilis-Borok in designing an exceptionally accurate model to predict wether or not the incumbent party retains the White House. He correctly called results of eight out of the past nine elections, including 2016. This month, he announced that GOP will lose