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Today I learned all Navel Oranges are genetically identical, the trees originally grafted in the 1800's from one mutant branch on a tree in a monastery in Brazil. The mutation that made it seedless just happened to cause a smaller conjoined twin to grow on one end, the "navel".

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oBRJr It all depends on the size, physical fitness and hydration of the person in question, but it’s possible to sweat buckets before heatstroke sets in and we pass out. After all, there are about three million sweat glands on the human body (the highest concentration is on our palms), and the average person aggressively working out perspires about 0.7 to 1.5 liters per hour. Theoretically, if we were attached to a treadmill and pumped full of liquids, it’s possible to keep sweating forever.
VB6oZ Today I learned that cars in the early 1900s didn’t have windshield wipers. Drivers had to stop every so often to wipe the glass with a cloth—until Mary Anderson invented the wiper and pushed it to market despite all the doubts. A lot of car manufacturers thought it would distract drivers!
Vyxm TIL Queen Elizabeth has a Big Mouth Billy Bass that she keeps at the Royal Family summer home
KOXkJ TIL that between 1998 and 2011, ‘Torn’ by Natalie Imbruglia was played well over 300,500 times on Australian radio, averaging out to around 75 plays per day.
kOwwm TIL when Apple finds underage workers in its suppliers’ factories they make the suppliers return the children to their homes, pay for their education and continue to provide income for basic needs until they reach the legal working age. After this, suppliers must offer them reemployment.