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A New Water Filter, An Old Debate
The BBC reported last week about a new device being marketed to purify water in developing countries. The LifeStraw looks like a large plastic flute, and contains internal filters that remove bacteria from the water as it is drunk. The device is priced at around $3.50, and is designed to purify...
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Yakking It Up at the BOP in China
Yaks for development? Withhold judgment and read on ? this BOP project has legs (4, in fact). NextBillion ally Carol Chyau doesn?t think yak jokes are funny ? with a partner, she?s behind the newly-formed Yashmere and Cheese for Change for-profit social enterprises. The Harvard Crimson...
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