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June 17th, 2007

Nanotech nervousness

Researchers are studying whether nano-sized material could purge bacteria from the digestive tracts of poultry. The bacteria doesn't harm chickens and turkeys, but it can make people sick. The hope is that using nanoparticles could reduce the use of antibiotics in poultry.

Nanotechnology is the science of the very, very small. Scientists are finding ways to shrink materials down to the scale of atoms. These tiny particles show a lot of promise for better medicines, faster computers and safer food. But Rebecca Williams reports some people are worried about harmful effects nano-size particles might have on people's health and the environment:


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