› added 4 months ago

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TIL bacteria in our gut have sex to better absorb vitamin B12

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XE7br TIL a software developer once tested asking for donations vs. limiting trial version features. He randomly gave people either a version that asks for a donation, or one that is feature-limited. The feature-limited version made five times as much money, and the experiment cost him $17,000 in sales.
7XRp TIL that Justice Ginsberg wears a different collar depending on whether she agrees with the majority or minority opinion in supreme court opinions.
4XajX TIL: Action figures have been made as far back as the first century. Romans made clay figurines of gladiators.
4XvLo TIL Of the Wanggongchang gunpowder factory explosion of 1626, in Beijing, China. It killed 20,000, and was heard 150km away. Victims were stripped of their clothing due to the force of the blast. The cause has never been determined.
myap TIL Jane Goodall was first mocked by scientists for her findings and told animals do not have feelings (tell that to dog owners) nor use tools