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TIL that it takes approximately 4 litres of water to produce a 1 litre plastic bottle of water

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KYBJa TIL Emily Rosa at age nine became the youngest person to have a research paper published in a peer reviewed medical journal. She devised a single-blind protocol to determine if therapeutic touch practitioners could actually detect "human energy fields." She found they were right only 44% of the time
e0Mpn TIL: the Red-necked wallaby, found in eastern Australia & Tasmania, eats roots & leaves & also likes weed
wMJo TIL that poison dart frogs kept in captivity are not dangerously toxic, because the alkaloids that make them toxic come from their prey. Bugs fed to them in captivity do not have these chemicals.
axY9 TIL the Burj Khalifa, the tallest man-made structure in the world, is named after a living person– the President of the United Arab Emirates
5YxAD TIL that aircraft have a strong tendency to nose down as they approach supersonic speeds. It is called Mach Tuck and early planes lacked the ability to counter this and would enter uncontrollable dives.