› added 10 years ago

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TIL that Li-ion batteries (the type used in modern laptops, phones and by Tesla) contain no toxic metals (unlike other types of batteries which may contain lead or cadmium) and they are generally categorized as non-hazardous waste.

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kx7m TIL that dolphins can sleep under water by closing one eye, resting ½ of their brain and using the other half to breathe and watch for danger
Oo8Gg TIL that the man who wrote Charlie and the Chocolate Factory was also a fighter pilot and an intelligence officer who helped Winston Churchill convince the American government to secretly fight Nazi Germany before they joined World War 2.
a8M8L TIL about the Zeitpyramide. An almost ten meter high pyramide being built with a rate of one brick every ten years in the German town Wembing. The construction was undertaken i 1993 and is scheduled for completion in the year 3183.
lo9j1 TIL: Goosebumps are actually caused by a muscle called the arrector pili muscle.
ANKxw TIL a sign of asymptomatic early kidney disease in diabetics is the development of anemia