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TIL The reason tennis balls are yellow is largely thanks to Sir David Attenborough

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6ewJ TIL the pitch drop experiment is the world’s longest continuously running laboratory experiment. It measures the flow of a piece of pitch by counting the drops that fall from a funnel. Since 1927 8 drops have fallen. The ninth drop is expected to fall in 2013.
W700d TIL the first modern pharmaceutical medicine was invented in 1804 by Friedrich Sertürner, a German who extracted the main active chemical from opium in his laboratory and named it morphine, after the Greek god of sleep
ADg6l TIL that all male Astronauts going to the International Space Station from Russia are required to pee on a bus tire prior to launch. A tradition started by Yuri Gagarin.
erAn TIL France wants to ensure all new rooftops must be topped with either solar panels or plants
wooe1 TIL in 2011, a Minnesota mom accidentally fell asleep on her baby, killing her, after drinking a fifth of vodka. Nancy Grace labeled her the "vodka mom" and ridiculed her on national TV. Shortly after, she killed herself.