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TIL Attractive female students no longer earned higher grades when classes moved online during the pandemic

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via reddit.com

x69y1 TIL about synesthesia. It's when one thing you see, hear, or feel makes you experience something else. Like seeing colors when you hear music. It shows how our brains connect different senses. Understanding synesthesia helps us learn more about how our minds work.
epp16 TIL healthy male chimpanzees can be as little as 0.002% bodyfat. Females range from less than 1% to 8%.
WkneA TIL that until the 19th century the dominant sleep pattern in western societies was biphasic. After 3-4 hours of sleep, people would be awake for about an hour doing whatever before they sleep again until dawn.
LQLAP TIL About The Devils Rope Barbed Wire Museum which is housed in a converted brassiere factory, located in McLean, Texas. It was officially opened in 1991 and focuses on barbed wire and its history. The museum is thought to have the largest collection of published material concerning barbed wire.
eVwb TIL A grown man hunted down and attacked a child who killed him several time in Call of Duty