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TIL: In Japan train conductors, drivers and station staff use a system called “Pointing-and-Calling”. Each step in a given task is reinforced physically and audibly to ensure the step is both complete and accurate. This has reduced workplace errors by up to 85 percent.

by whatilearned August 20, 2022, 1:28 pm

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TIL Several months before his death, Bruce Lee had an operation to remove the sweat glands from his armpits, because he thought dank pits looked bad on-screen. This reduced his body’s ability to dissipate heat which may have indirectly led to his death by Cerebral Edema caused by Heat Stroke.

by whatilearned August 14, 2022, 4:06 pm

12 Points
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6 Comments

TIL that the coldest temperature in the universe, as far as scientists can tell, occurred on Earth. In 2003, physicists at MIT reduced the temperature of a cloud of sodium molecules to 810 trillionths of a degree F above absolute zero.

by whatilearned July 25, 2022, 4:44 am

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TIL Winston Churchill was rather fond of chemical warfare: “I do not understand this squeamishness about the use of gas… I am strongly in favour of using poisoned gas against uncivilised tribes. The moral effect should be so good that the loss of life should be reduced to a minimum.”

by whatilearned July 24, 2022, 11:06 am

12 Points
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TIL Romanian prisoners would receive reduced sentences if they wrote a book.

by whatilearned July 1, 2022, 9:09 am

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TIL the asteroid impact that caused the dinosaur extinction set 70% of the world’s forests on fire, caused tsunamis that rose to a height of 300ft (100m), and ejected 25 trillion metric tons of debris into the atmosphere that reduced sunlight by up to 90% for a decade.

by whatilearned June 13, 2022, 10:19 pm

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TIL about rx-reimportation, where American pharma sells to Canada for 10 percent of the cost as they charge in US and Canadian pharma turns around and sells it to Americans for a reduced rate

by whatilearned June 3, 2022, 5:11 pm

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TIL The U.S. Navy replaced $38,000 periscope joysticks for $30 Xbox controllers on submarines which reduced training times from hours to minutes

by whatilearned May 17, 2022, 2:55 am

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TIL: Beauty Parlour Stroke Syndrome is an extremely rare phenomenon that describes a stroke caused by having your hair washed over a basin at a salon. It is thought to be the result of reduced blood flow to the brain caused by sustained distortion of the neck during the washing process.

by whatilearned May 15, 2022, 4:00 pm

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TIL that by letting a wolf population recover, traffic collisions caused by deer are reduced by nearly 25%; the reduction is not based as much on the decimation of the deer population but on the “landscape of fear” created by the wolves.

by whatilearned May 2, 2022, 1:08 pm

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TIL who Hattie Alexander was. An early pioneer in DNA research, her groundbreaking work on influenzal meningitis significantly reduced infant death rates and advanced the field of microbiological genetics. In 1964 she was the first woman to be elected president of the American Pediatric Society.

by whatilearned April 5, 2022, 9:38 pm

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TIL following Mount Mazama’s eruption 7,700 years ago that reduced its elevation from 3,700 meters to 1 meter, it was immortalized in the indigenous Klamaths’ mythology as a fight between two gods.

by whatilearned March 19, 2022, 6:55 am

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