› added 6 years ago

1211

TIL that about 95% of the serotonin in your body is produced in your gut, not your brain.

Read more healthline.com

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5YOVR TIL Mt Everest was named after George Everest, whose name is pronounced EVE-REST, not EVER-EST.
X0Pa8 TIL the phrase“bleeding heart liberal” came from Pulitzer Price winning journalist, Westbrook Pegler in 1933. He used the phrase denouncing an anti-lynching bill before Congress. He also finished 3rd in Times Man of the Year behind FDR and Stalin in 1941.
l7GP7 TIL that the phenomenon of struggling to fall asleep in a new bed is called the 'dolphin effect' or 'dolphin mode.' Dolphins can fully rest while keeping part of their brain awake, and something similar happens to us when we can't sleep in unfamiliar surroundings.
wGB8 TIL The bezel on a dive watch only rotates counterclockwise- The reason for this is so that if the bezel is bumped accidentally during a dive, it will only move one direction, subtracting time from the dive and prompting the diver to end his dive early.
b64mZ TIL rowing increases parts of the heart to enlarge so it can pump more blood. The exercise increases blood pressure and strengthens heart walls as well.