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TIL Photoshop 1.0 was released on February 19, 1990 for Macintosh exclusively at a price of $895. At the time of release, it cost around $300 an hour for basic photo retouching. Photoshop became available for Microsoft Windows in 1993 where it would reach global audiences within a few years.

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neWn7 The most popular artificial material on Earth isn’t steel, plastic, or aluminum — it’s concrete. Thousands of years ago, we used it to build civilizations, but then our knowledge of how to make it was lost. Here’s how we discovered concrete, forgot it, and then finally cracked the mystery of what makes it so strong.
m1w5p TIL that in Australia, "kangatarianism" is a vegetarian diet that allows for kangaroo meat, chosen for its environmental and ethical benefits as a more sustainable and humane option.
xx87 TIL that it is possible to drown hours after you are out of the water. Liquid that gets into the lungs can act as an irritant, and the resulting bodily reaction can cause a person to drown in their own bodily fluids.
rNmWd TIL the oyster mushroom is carnivorous and preys on nematode worms to supplement its nitrogen intake. It can paralyze nematodes within a few minutes of contact, and then sucks their innards out through their mouths
1dy4 TIL Passengers on the Mayflower were allotted a gallon of beer each per day. Given that beer at the time was 5-6% alcohol, one could presume the Pilgrims were inebriated more often than not.