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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.

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todayilearned

May 10, 2020

TIL The taste map of the tongue that many people learned in school is nonsense. Taste receptors for salty, sweet, bitter and sour are found all over the tongue.

body brain digestive system food food science

todayilearned

Apr 07, 2020

TIL people with higher IQs are found to suffer from more mental health problems. While data shows highly intelligent people have a greater life expectancy, it found higher IQs result in increased reports of mental health problems like depression, bipolar disorder, ADHD and others.

brain disorders intelligence iq mind

todayilearned

Jan 28, 2020

TIL Some people have an internal narrative and some don't As in, some people's thoughts are like sentences they "hear", and some people just have abstract non-verbal thoughts, and have to consciously verbalize them And most people aren't aware of the other type of person.

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todayilearned

Dec 16, 2019

TIL that’s rats can laugh. It’s inaudible to humans at 50kHz.

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todayilearned

Dec 10, 2019

TIL that two MIT Scientists successfully planted a false memory into a mouse (Mouseception). When set in a certain box, the mouse freezes in terror, recalling that it receives a shock in this box, when this never happened. This research may lead to new treatments for Depression or Alzheimer's, etc.

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todayilearned

Dec 04, 2019

TIL that MIT engineers have created a robotic, snake-like thread that can navigate through narrow blood vessels in the brain, promising treatment for strokes and other blockages.

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todayilearned

Sep 26, 2019

TIL that counting on fingers is a vital part of learning math, and children that do it from an early age develop much better math skills than those who have been told not to

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todayilearned

Aug 11, 2019

TIL Two centuries ago, the anatomist Paolo Mascagni made full-body models of the lymphatic system that included the brain, though this was dismissed as an error. No one had published definitive evidence of lymph vessels in any brain until a Virginia mouse study and a concordant Helsinki one in 2015.

alzheimer-related amyloid proteins anatomist paolo mascagni basic assumptions blood vessels brain careful hedge-based language cerebrospinal fluid clear fluid conduits likely exist deep-purple vessels dura mater full-body models glymphatic flow glymphatic fluid glymphatic system. historic literature human brains immune cells inflammatory brain disease inflammatory processes lymph nodes lymph vessels lymphatic vessels major pathway major study metabolically active cells meticulous down-to-the-millimeter dissecting mice brains multiple sclerosis neurodegenerative disease neurologic diseases neurologic disorders neurologic disorders—or neurologic health neurological disorders obviously people omega-3 fatty acids potential breakthrough reich reich’s team researcher daniel reich similar conduit time transport fluid u.s. national institute vessels virginia mouse study virginia team waste white blood cells

todayilearned

Jun 17, 2019

TIL Japanese, but not European, honeybees can “slow cook” giant hornets to death, when they attack the hive. They do this by forming a giant swarm, a “bee ball”, around the hornet and vibrate their flight muscles to create heat. They warm the area up to 116°F, slowly “cooking” the hornet to death.

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todayilearned

May 07, 2019

TIL about tetrachromats. Tetrachromats have 4 vision cones as opposed to the average 3. This allows them to see ~99 million more shades than the average person. It is thought to be impossible for men to have this gene because they only have a single X chromosome, whereas women have two.

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