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TIL that ZZ Top’s Billy Gibbons has a 5-octave and 5 notes vocal range, which is bigger than that of Freddie Mercury, Axl Rose and Mariah Carey

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69vkX TIL That stench gas alarm systems alert miners to danger when audible alarms may not be heard.
7Vl7 TIL A group of German scientists studying a wild tobacco plant noticed that when the plant was being eaten by caterpillars, the plant would release a scent that would attract predatory bugs who would then eat the caterpillars
l7ZmV TIL that the "Hitler rants" video meme led to an employment lawsuit. While negotiating with BP for a new contract, Scott Tracey was fired for posting a video using the 'Downfall' scene. After suing for unfair dismissal, he won his job back and AU$200K in lost wages.
jjrX TIL a 15-year-old blind kid was able to use his enhanced hearing to hack telephone systems by perfectly reproducing dial tones. He even went as far as faking calls to the SWAT team in order to have them surround the houses of his enemies.
5PLD TIL eating different types of cheese before bed can influence and affect what you dream about. Consuming Red Leicester, for instance, results in nostalgic, often childhood-related dreams.