The hole in the soda can tab is actually used to hold a straw in place and stop it from rising.
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There's a road in Lancaster, CA that has grooves carved in such a way that when you drive over them at 55 MPH, they will play a part of Rossini's "The William Tell Overture."
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Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
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On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
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As part of an advertising campaign, Molson, a Canadian beer company, strategically placed 'beer fridges' around Europe that only Canadian passports could unlock.
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Rather than use CGI, Tim Burton had 40 squirrels trained to crack nuts for Charlie & The Chocolate Factory.
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Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
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