Five Best Ideas of the Day
Published each weekday, at noon.
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The second wave of renewable energy: Replace aging hydroelectric dams with super-efficient solar farms.
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With massive scale and a revolutionary ‘micro insurance’ program, this Indian hospital is making surgery affordable for all.
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More time outside might mean less nearsightedness in children.
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Hidden hunger kills millions and we have the tools to beat it.
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Is it finally time to dump comments on the Internet?