Scientists works to develop Christmas tree that doesn't shed needles
After chasing the perfect Christmas tree for three decades, Gary Chastagner could be getting close.
After chasing the perfect Christmas tree for three decades, Gary Chastagner could be getting close.
Biotechnology
Dec 17, 2009
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Bioengineers at Duke University have developed a laboratory robot that can successfully locate tiny pieces of metal within flesh and guide a needle to its exact location -- all without the need for human assistance.
Robotics
Jun 18, 2009
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