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70

TIL on January 7th, 1610 Galileo Galilei improved the telescope’s design and used it to study Jupiter. He discovered 4 of Jupiter’s moons and helped disprove the Ptolemaic world system(Earth-centric universe) theory.

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69M9l TIL the Celilo Falls on the Colombia River was one of the oldest continuously inhabited places in North America and a major fishing and trading hub for many Native American tribes. In 1957, the newly-built Dalles Dam submerged the falls along with many settlements which had to be relocated.
DQ4mY TIL that an aircraft crash resulting in the pilot's death or total destruction of the aircraft is called a "Class A Mishap" by the US Air Force.
LQYV9 TIL a UK trial of a 4-day workweek with 61 companies was so successful that 54 kept it, and most made it permanent. Employees worked less but stayed just as productive, with some companies seeing revenue grow by 35%. Workers also reported better health, less burnout, and even losing weight.
LQdA9 TIL of "menu anxiety" which is defined as distress caused when ordering a meal at a restaurant. A survey showed that over 30% of Americans experience it. Of those who do, some try to avoid it by obsessively reviewing the menu online before showing up to the restaurant.
G49Q TIL goats have been used in California for years to clear tall dry grass and reduce fire hazards.