If you place a ripe banana next to a green tomato, the tomato will ripen due to the ethylene gas produced by the banana.
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There is a fruit called The Miracle Berry that, when eaten, causes sour foods to taste sweet, and has been used to treat diabetes, among other things.
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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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Some farmers in Kenya are using elephants' natural fear of bees and building "beehive fences" that keep wild elephants from trampling the crops. It keeps the farms safe, and prevents farmers from having to kill elephants to defend their livelihood!
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There is a sport called Banzai Skydiving. You throw the parachute out of the airplane first and then jump after it.
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