› added 1 year ago

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TIL If bright light makes you sneeze you may have ACHOO syndrome, a medical mystery over 2500 years old.

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via reddit.com

EgJl7 TIL: weight gain happens because fat cells become larger in both size and number, while weight loss only reduces the size of fat cells, so you end up with a larger number of fat cells than before.
yV7DX Til if a bear injures or consumes humans it must be euthanized because a bear that loses its fear of humans is a dangerous animal
RvAw TIL the largest anti-smoking ad campaign “Truth” is funded by the tobacco companies as part of a settlement to be exempted from individual lawsuits stemming from harm caused by tobacco.
e0MVg TIL that by far the most successful predator with a 90-95% success rate when hunting, is the dragonfly. This is in large part due to a combination of very high speed and their ambush strategy, allowing them to rush down insects before they know what to do.
KOZaE TIL that Brenda Lee was only 13 years old when she recorded Rockin’ Around the Christmas Tree.