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Optical tractor beam traps bacteria

Until recently, if scientists wanted to study blood cells, algae, or bacteria under the microscope, they had to mount these cells on a substrate such as a glass slide. Physicists at Bielefeld and Frankfurt Universities have ...

dateDec 13, 2016 in Optics & Photonics
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Hijacking the double helix for replication

For years, scientists have puzzled over what prompts the intertwined double-helix DNA to open its two strands and then start replication. Knowing this could be the key to understanding how organisms - from healthy cells to ...

dateDec 13, 2016 in Cell & Microbiology
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