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St. Paul, Minn.

Nanotech on the horizon

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Nanotechnology
An Optical Profiling System microscope at a nanotechnology laboratory in Bangalore, India.
Photo by DIBYANGSHU SARKAR/AFP/Getty Images

When it comes to chemistry, bigger isn't always better. Some scientists are using DNA as building blocks for new materials that can encrypt information or test new drugs.

Midmorning finds out where the science of nanotechnology is going and where it exists in our household products today.

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Nanotechnology
An Optical Profiling System microscope at a nanotechnology laboratory in Bangalore, India.
Photo by DIBYANGSHU SARKAR/AFP/Getty Images