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Banking on mobile money

A cellphone-based cash transfer system has changed the way Kenyans handle their finances. But what does it mean for Kenya's economy — and the developing world?

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Good food nation

MIT researchers think America's obesity epidemic can be reversed via ‘foodsheds,’ in which healthier, more affordable food is produced and consumed regionally.

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The easy way to go green

Alum's 'state-of-the-shelf' energy-efficient house is among a bevy of new ideas for curbing energy use and greenhouse gas emissions presented at MIT's annual Energy Night.

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