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todayilearned

Jul 08, 2020

TIL: Researchers at Yale University School of Medicine devised a system roughly analogous to a dialysis machine, called BrainEx, that restores circulation and oxygen flow to a dead brain. Using BrainEx, they restored restored cellular function in 32 pig brains that had been dead for over four hours.

angeli gabriel body brain brainex death dna ethics medicine pigs science and technology

todayilearned

Jun 13, 2020

TIL that Alfred Nobel, the inventor of dynamite, was thought to be dead when his brother died. Newspapers and obituaries declared “The Merchant of Death is Dead.” Alfred Nobel, shocked by his impact, dedicated all of his money to creating the Nobel Prize to reclaim somewhat of a meaningful death.

alfred nobel awards death explosives history and civilization literature modern history nobel prize peace science and technology

todayilearned

May 11, 2020

TIL that the Voyager probes took more than 40 years traveling at 40,000 mph to leave our solar system, but it will be another 40,000 years before they get anywhere near another star

jupiter planets saturn science and technology solar system space spacecraft stars uranus voyager 2

todayilearned

Feb 19, 2020

TIL the only two surviving species of sloth aren’t closely related at all and most likely developed suspensorial behavior (hanging from trees) independently, an example of convergent evolution.

evolution laelaps science and technology science blogs sloth three-toed sloths

todayilearned

Dec 08, 2019

TIL That the coldest temperature recorded was -144°F in Vostok Antartica. Humans can’t inhale air that cold for more than a few breaths—it would cause your lungs to hemorrhage. Russian scientists ducking out to check on the weather station would wear masks that warmed the air before they breath in.

antarctica ice sheets polar regions science and technology south pole temperature

todayilearned

Nov 17, 2019

TIL Gaze following is instinctual for many animals—including humans, chimps, dogs, goats, dolphins, and even the red-footed tortoise. Dogs glance back and forth between human and where the human is looking. The behavior, only seen before in humans and chimps, is called check backs or double looking.

animals dogs domestic dog evolution intelligence pets science science and technology

todayilearned

Nov 03, 2019

TIL J. Edgar Hoover recommended that Einstein be kept out of America by the Alien Exclusion Act, but he was overruled by the U.S. State Department. FBI spied on Einstein for 22 years and kept a dossier with 1400+ Pages on him.

einstein people and culture physics science and technology

todayilearned

Oct 21, 2019

TIL that Doritos were scientifically designed to be addictive by hitting every sensation as perfectly as possible

cheese science and technology

todayilearned

Sep 03, 2019

TIL the net contribution of the world's oxygen by forests is zero. The real 'lungs of the earth' are phytoplankton living in the oceans.

phytoplankton science and technology

todayilearned

Aug 28, 2019

TILA that the sun burns white and it's only because of Earth's atmosphere that we see it as yellow.

gases science and technology solar system space star stars sun

todayilearned

Aug 11, 2019

TIL Female kangaroos clean their pouches by licking them out. “She is able to push her long snout in to clean it effectively, removing the urine and feces of the young joey by using her tongue,”

kangaroos science and technology

todayilearned

Jun 04, 2019

TIL Trees emerged 350 million years ago. It took another 60 million years for wood-eating bacteria to evolve. Trees between this period eventually turned into the most of the coal we use today.

animals carboniferous forest coal earth energy forests history robert krulwich science and technology science storytelling trees

todayilearned

May 26, 2019

TIL of Edmond Albius. As a 12 year old slave boy in 1841, he invented the technique for pollinating vanilla orchids profitably. Without this technique, it’s unlikely that vanilla would be nearly as well known as it is today.

beverages children food food/drink history history and civilization history of science journalism mysteries people and culture plants race science and technology sociology uncategorized vanilla

todayilearned

Mar 28, 2019

TIL that ~300 million years ago, when trees died, they didn’t rot. It took 60 million years later for bacteria to evolve to be able to decompose wood. Which is where most our coal comes from

carboniferous forest coal energy science storytelling history robert krulwich animals earth science and technology forests trees

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