› added 5 months ago

163

TIL surgical scrubs are green and blue to provide eye relief and a visual contrast to the pinks and reds the surgeon is focusing on

Read more boardvitals.com

via reddit.com

eEkb TIL the Illinois Tollroads were originally intended to collect tolls until the bonds to construct them were paid off. The Tollroads were constructed in 1953
Oowg7 “An untrained person has around five litres of blood, typically around 50 - 75ml per kilo — five to seven per cent — of body mass. A world-class endurance athlete can have two or three litres more in total, and as much as 150ml per kilo — 15 per cent — of body mass."
wQOJ TIL Passengers leaving Hawaii on Alaska Airlines can travel with one “properly packaged” box of pineapples as checked baggage for free.
DQ0Vv TIL Mexico didn't recognize millions of descendents of African peoples they enslaved...until 2019. And the UN basically had to shame them into doing it.
XEaX8 TIL Xinghai Square, Dalian, China covers a total area of 110 ha (270 acres), making it the largest city square in the world. China's tallest huabiao (19.97 meters high) was once located at the center of the square but it was demolished secretly in 2016 at midnight without explanation