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TIL A class-action lawsuit claims that people who enjoy the night sky with telescopes have been consistently overcharged. The amateur astronomy market in the US is 80% controlled by two companies and the telescope global market is predicted to grow to $294 million annually by 2025

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v0Vr TIL that Wikipedia Zero - which allows users in poor countries access to Wikipedia articles without data charges - operates in 61 countries, and helps over 400 million people
69m6Q TIL that the majority of psychological research has been found to have a “WEIRD bias,” meaning that test subjects were from Western, Educated, Industrialized, Rich, and Democratic societies. As much as 96% of data comes from countries with only 12% of the world's population.
L1mZ TIL that the aluminum “gear” recently found in a 300 Million yr old piece of Russian coal is not the first ancient artifact of the type discovered.
EgO0p TIL: Husbands are six times more likely than wives to leave when their partner is diagnosed with a serious illness.
LmbQ TIL the standard “headphone jack” connector has been roughly the same since 1878