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A microscope view of a blue brewer's yeast Image of a lit cigarette exuding smoke. group of researchers sit around a table with laptops talking Peter Agbo. (Credit: Marilyn Sargent/Berkeley Lab) A chromosome (blue) imaged during cell replication. The chromosome is duplicated, and protein strands called spindle fibers (red) are attached to the chromosome copies to pull them apart, so that each ‘daughter cell’ gets one copy. The spindle fibers attach to the chromosomes due to the centromere. (Credit: Zeiss Microscopy/Flickr) Three fruit flies. Kei Nakamura, Antoine Snijders and Lieselotte Obst-Huebl (from left) at the BELLA laser facility aligning cartridges containing human cells in the proton beam path. This setup enabled measurements of the biological effects of laser-driven protons. Amy Herr

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