Crystal defect shown to be key to making hollow nanotubes

(PhysOrg.com) -- Scientists have no problem making a menagerie of nanometer-sized objects -- wires, tubes, belts, and even tree-like structures. What they sometimes have been unable to do is explain precisely how those objects ...

Rethinking the wild world of species diversity in microbes

University of Maryland biologists developed the first mathematical simulations of bacterial communities that incorporate the complex interactions and rapid evolution among bacteria and reflect the tremendous species diversity ...

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