Five Best Ideas of the Day
Published each weekday, at noon.
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A smart faucet could train people to use water more efficiently.
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How sailors from a century ago are helping us understand our dwindling sea ice.
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Is it ethical to prevent your data from being collected for a good cause?
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Fake news can give people fake memories.
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To reach more young voters than all the cable news channels combined, politicians should take to YouTube.