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TIL René Just Haüy founded the science of crystallography after he accidentally broke a piece of calcite and discovered that they cleaved along straight planes that met at constant angles. He broke more pieces to confirm his discovery and developed the theory of crystal structure.

by whatilearned September 2, 2022, 11:20 am

3 Points
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TIL Americans spend $1,500 more each year on commuting than other developed nations, while also taking 12 minutes longer on average to get to work.

by whatilearned August 30, 2022, 4:11 pm

5 Points
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TIL that in WWI, there were bicycle ambulances, made of two, three, or four bicycles with an attached stretcher. Two-bicycle ambulances were developed as early as the 1890s.

by whatilearned August 22, 2022, 11:16 pm

9 Points
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1 Comment

TIL the CIA’s MKNAOMI program secretly developed 3 field-tested methods for mass poisoning crops and livestock in the 1970s. The US army continued to store the toxins even after then-president Nixon officially dissolved the program and ordered all biological weapons to be destroyed

by whatilearned August 19, 2022, 7:47 pm

10 Points
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4 Comments

TIL Steven Spielberg developed the first Harry Potter film for 6 months. He called it a “slam dunk” and envisioned it being an animated film with Haley Joel Osment playing Harry. He left due to creative differences with Rowling.

by whatilearned August 16, 2022, 1:45 pm

11 Points
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TIL the human brain is not fully developed until about the age of 25. The frontal lobes are last to finish developing. These lobes are responsible for planning and reasoning, so the ability to plan and reason is not fully developed until your mid-20’s.

by whatilearned August 15, 2022, 8:45 am

11 Points
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TIL In 1997 a number of people from Kentucky developed CJD (aka human mad cow disease). It was discovered that all had consumed squirrel brains.

by whatilearned August 5, 2022, 1:58 am

12 Points
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2 Comments

TIL about Silbo Gomero, a language spoken entirely by whistling. Developed by natives of La Gomera, Canary Islands. The language enabled long distance communication across the deep ravines and narrow valleys of the island, allowing messages to be exchanged over distances up to 5km (3.1mi).

by whatilearned August 1, 2022, 1:59 am

12 Points
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3 Comments

TIL that the USA has the highest maternal mortality rate in the developed world.

by whatilearned July 26, 2022, 10:59 pm

12 Points
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TIL that the first writing system evolved from accounting practices in ancient Mesopotamia. Over a thousand years later, Chinese writing independently developed from divination practices in ancient China.

by whatilearned July 25, 2022, 9:18 pm

12 Points
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6 Comments

TIL the first Who Wants to Be a Millionaire video game was developed by Jellyvision, the creators of You Don’t Know Jack, and became one of the fastest-selling PC games of all time.

by whatilearned July 19, 2022, 4:28 am

12 Points
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2 Comments

TIL about Carl Tanzler, a man that developed an obsession with Elena de Hoyos, a woman 32 years his junior, and two years after she died, he dug up her corpse and kept it in his bed for 7 years.

by whatilearned July 18, 2022, 9:31 am

12 Points
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