TIL

Today I Learned. A collection of interesting or unexpected facts.

TIL: Your Mac keeps a secret log of everything you do, and you can ask it questions

TIL: .git/info/exclude - ignore files without touching .gitignore

TIL: Disable terminal sounds in Cursor

TIL: How to stop Claude Code from adding itself as co-author and contributor in GitHub

TIL: Get a sound notification in Claude Code when a task is complete

TIL: MacOS keyboard shortcut to show hidden files: Command + Shift + .

TIL: Ponzo illusion

TIL: Euro banknotes had fictional bridges on them in 2002, when issued. After 10 years, they were not fictional anymore.

TIL: Cleopatra lived closer to the moon landing than to the Great Pyramid of Giza

TIL: There is considerable overlap between the intelligence of the smartest bears and the dumbest tourists

TIL: Most wines will last up to a week or more in the fridge

TIL: Regular afternoon naps linked to improved cognitive function (but only if less than 30 minutes)

TIL: 39% of American women have a tattoo, and 21% of American men

TIL: Marchetti's constant - the average time spent by a person for commuting each day, which is approximately one hour

TIL: How a secret experiment tricked psychiatrists into diagnosing sane people as having schizophrenia, and how it rocked psychiatry

TIL: Individuals who are told by the coin toss to make a change are much more likely to make a change and are happier six months later than those who were told by the coin to maintain the status quo

TIL: Expensive placebos work better

TIL: Cold showers have a potential to treat depression

TIL: According to a study, there’s no proof that parachutes are effective in preventing death from falling.

by Radek Sienkiewicz

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