Custom polymer structures can now be 3D printed inside living cells using laser-based fabrication, opening paths to intracellular sensors, cell tracking tags, and embedded microlasers. (Nanowerk ...
A worker waters the site of a rare earth metals mine at Nancheng county, Jiangxi province on December 30, 2010. (Stringer/Reuters) Eugene Gholz analyzes the economic and security consequences of China ...
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