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Now Playing: 11-11-13 Marketplace Tech - Using sea snails to win the race

When we talk about building new technology, we're often talking about building it out of artificial ingredients. But as we understand our natural world better, the area of biotechnology is growing. And a person at the forefront of using biotech in everything from medical instruments to consumer electronics is Angela Belcher, professor of biological engineering at MIT. She's been looking at sea snails and how they might help us build new technology.