› added 5 years ago

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TIL When mother otters dive for food, they tie their babies into kelp to ensure that they will not float away

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akQ9 TIL that from 1946 to 1948, nearly 700 Guatemalans were deliberately infected by American doctors to study the effects of venereal disease. The US didn’t formally acknowledge the study or apologize till 2010.
VZ0Z TIL When you learn something new, for example someone tells you a new word, new piece of info, etc. your brain will start creating a frequency illusion called the Baader-Meinof illusion which starts to place the new piece of information everywhere and you will start seeing it much more frequently.
pdn8 TIL that if you don’t sleep, your brain cells soak in their own filth. Sleep may clear out nervous system metabolites, which are waste products that can be toxic.
4Xno5 TIL - When Roald Dahl attended school, the nearby Cadbury chocolate factory would occasionally send boxes of new chocolates to the school to be tested by students. It is believed that this likely inspired him in writing his third children's book, Charlie and the Chocolate Factory.
R57Rl TIL From 1927 to 1952, Tobacco Companies used pictures of doctors in their advertising and used slogans claiming that doctors endorsed their brand.