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TIL between the 1940’s and 70’s Harvard took nude photos of each entering freshman student

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dXR7 TIL a $50 million titanium mesh protects an uninhabited rock in the South Pacific from erosion.
4kKGX TIL people are marrying avatars on their Replika app.
yBA8 TIL that gagging when we see someone else vomiting is actually an evolved trait among primates. Humans would forage for food in groups. If any member of the group had an adverse reaction due to toxins in the food, it would be advantageous for the other members to take it out of their system too.
npDY TIL that Sunandha Kumariratana, queen of Thailand, drowned as her subjects looked on, because they were forbidden to touch her.
epWvE TIL that the Sierra Madre Wisteria is the largest blossoming plant in the world. The Wistaria Vine has over 1.5 million blossoms and weighs over 250 tons.