Mico headphones read your brainwaves and select music based on your state of mind.
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Scientists in Germany have developed a candy that doesn't cause cavities.
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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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There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
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