News: Energy and Environment

As anyone who has purchased jewelry can attest, platinum is expensive. That's tough for consumers but also a serious hurdle for a promising source of electricity for vehicles: the hydrogen fuel cell, which relies on platinum.

Bacteria get a bum rap. Long cast as deadly enemies, bacteria have emerged as allies in the fights against pollution and disease. But harnessing that potential will require a strategy to control their behavior.

Rawlison Zhang, a junior in chemical and biological engineering, won the gold poster award at this year's Princeton Research Day.

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