› added 4 years ago

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TIL that the quarantine flag, also called the “Yellow Jack”, is an international signal flag that was last flown during the 2002-03 SARS outbreak. The flag is flown from a ship that is either arriving in port with known serious health problems or that has been placed under quarantine.

Read more maritimeprofessional.com

via reddit.com

69MY TIL that people started flipping one cigarette upside down in their packs because of a myth that early ‘Lucky Strikes’ contained marijuana.
QJQa TIL obese people actually have a faster metabolism than normal weight or “thin” people.
P1LMG TIL: a total solar eclipse occurs somewhere on Earth roughly every 18 months, but it only reoccurs in the same place every 350-400 years.
pMeG TIL Recycling one glass jar saves enough energy to watch TV for 3 hours
wLkdM TIL that high levels of dopamine and a related hormone, norepinephrine, are released during attraction. These chemicals make us giddy, energetic, and euphoric, even leading to decreased appetite and insomnia – which means you actually can be so “in love” that you can’t eat and can’t sleep.