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TIL the real Rosie the Riveter was still alive until recently

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AlRn TIL that, unlike the depiction in Gravity, running out of oxygen in a spacesuit is a “cheerful” experience where the diminished 02 means “Everything seems funny. And as you’re laughing about it, you slowly nod off.”
xr77 TIL the Cult Awareness Network listed Scientology as the #1 most dangerous cult. Over 50 Scientologists later filed civil suits against them, many using the same carbon copy claim via 1 law firm. After suing them into bankruptcy, the Church bought the name and started the New Cult Awareness Network.
a8LXZ TIL that some early botanists thought fern seeds were invisible, and would grant you invisibility too, if you could catch one. Shakespeare even wrote about this belief in his play Henry IV.
WkeyB TIL the US has only tested a cumulative total of 2,000 people for coronavirus in the past 2 months. Meanwhile Korea is testing 10,000 people per day and UK has tested almost 20,000 people since the virus started.
wLYLY TIL the Sama-Bajau, a sea-faring and nomadic people, have physical adaptations that enable them to see better and dive longer underwater. It was recently discovered that they have evolved bigger spleens that provides a larger reservoir of oxygenated red blood cells.