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TIL Philip Morris ran an ad acknowledging “smokers’ cough” in 1943. They claimed it was caused by smoking brands other than Philip Morris.

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grx08 TIL While other primates are furry, human skin is exposed to the elements. It’s not that we’re ‘naked’ – our hair is just really short over much of our bodies. In the warm places where our ancestors lived, evaporation of sweat from exposed skin was a great benefit in cooling our entire bodies.
6EyWl Til 60% of all vocabulary in the modern Japanese dictionary are chinese loanwords
4XpAX TIL dogs and cats can literally tear out their own intestines if you don't leave that cone on after they're spayed.
86XX TIL there was a woman who grew tired of her Russian adopted son’s violent behavior, so she sent him back on a one-way flight to the country from whence he came with a half-page note explaining the situation.
78MGr TIL of the Salem Hypothesis which is based on the observation that people who claim scientific expertise, whilst advocating creationism, tend to be engineers. The hypothesis postulates that engineering predisposes people to creationism (with the sole exception of chemical engineers).