Rubin's plan to build these cars took root four years ago when he visited a Chinese factory that makes lithium ion batteries, which are used in laptops and cell phones.

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In fact, administrative overhead is essential if we are to develop programs that go beyond Band-Aid responses and build the kind of infrastructure and collaborations that address the root causes of social ills.

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It was designed to attack and remove what some researchers believe is a root cause of Alzheimer's, the tell-tale amyloid plaques that build up in patients' brains.

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If you can build up a relationship of trust, it is important to get in so far as it is possible to the root issue.

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