› added 2 years ago

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TIL half-moons on fingernails and toenails (lunala) disappear with age.

Read more ncbi.nlm.nih.gov

via reddit.com

Z8NXY TIL about FNG Syndrome. Instead of rotating units into and out of Vietnam, the US military replaced individual members. The replacements were subjected to abuse from their peers, leading to an increase in the number of psychiatric casualties who were removed from the battlefield
16WJX TIL people older than 75 years who have cognitive abilities as good as someone in their 20s and 30s are called superagers. A lot of their superaging comes from life-long exercise, connection with nature, and life-long mental activities. Robert De Niro, Rusin Bond, and Dadi Bhagwani have superaged.
jNZvN TIL about the biggest cave in the world, The Son Doong Cave in Vietnam. It’s over 5.5 miles long, has a jungle and river, and could fit a 40-story skyscraper within its walls.
oRZ8 TIL In 2010, The Texas Board of Education removed founding father, Thomas Jefferson, from the state social studies curriculum because of his beliefs in deism and replaced him with the religious right icon John Calvin.
aLGA TIL During WW II Britain stopped selling food to Ireland in order to persuade them to drop neutrality and enter the war. Ireland responded by cutting off all exports of Guinness. The supplying of food was resumed.