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TIL The domesticated dog evolved from a tamer version of the gray wolf. Based on DNA evidence, researchers currently believe the dog was domesticated in Asia at least 15,000 years ago, with some scientists arguing that dogs and humans have been partners for as long as 100,000 years.

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8ajpV TIL it is possible to learn to smell again by routinely exposing yourself to aromas with the intent of regaining smell. Smells from major smell categories such such as aromatic, flowery, fruity, and resinous are often selected.
Mn4W TIL Pepsi released a limited edition “Pepsi Perfect” soft drink that was used in “Back to the Future Part II” to commemorate the trilogy’s 30th anniversary. Only 6,500 bottles were produced costing $20.15 each. At Comic-Con they were given to people dressed as Marty McFly.
xgkw TIL Researchers report that nepetalactone, the essential oil in catnip that gives the plant its characteristic odor, is about ten times more effective at repelling mosquitoes than DEET — the compound used in most commercial insect repellents.
PYVdJ TIL that Iceland in 1940 passed a law that made swimming lessons mandatory in schools starting at grade 1 (age 6) to grade 10 (age 16). Lessons are held once a week. Historically, a lot of Icelandic seamen had met a tragic end because of the harsh sea and this law was an attempt at saving lives.
APJd TIL In December 2009, a campaign launched on Facebook made Rage Against The Machine’s “Killing in the Name” the number-one single in the UK for Christmas, which had been dominated for four consecutive years from 2005 by winners from the popular TV show The X Factor.