If you chew gum when you study a subject and then chew the same flavor when you take the test, it will help you remember!
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In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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There's a café in France which charges €7 for a coffee to rude customers and €1.40 to people who talk politely to staff.
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Pierre Jaquet-Droz, a watchmaker, 240 years ago invented a robot that could write, and the parts could be interchanged to say whatever you want.
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The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
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Sweden is so good at recycling, it has run out of garbage and now must import garbage from Norway to fuel its energy programs.
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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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