› added 8 years ago

122

TIL synthetic shampoos weren’t invented until the 1930s, with daily shampooing only becoming the norm in the 1970s and 1980s.

Read more wikipedia.org

via ift.tt

W7EV9 TIL In some cultures, smiling is seen as a sign of lack of intelligence or honesty.
QAZp TIL After both of the leaders of his squadron were shot down over Vietnam, Merlyn Dethlefsen flew his damaged fighter back through enemy air defenses to scare off enemy fighters, then knocked out both missile sites defending the target. Saving 70 of the 72 friendly aircraft following him.
Ooej1 TIL the ancient Chinese used natural gas for lighting purposes around 500 B.C., using bamboo pipelines to transport the gas for miles.
m1XYY TIL The chocolate bar Milky Way is called Mars Bar by the non-US world, and what the US calls Three Musketeers is called Milky Way everywhere else
b6rMj TIL obesity results in more chronic health issues overall than smoking, drinking or poverty. While all of the listed issues harm health, it was found that obesity was linked to a wider array of chronic health issues.