Particle Physics

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CMS collision illustration

BACK TO WORK  The CMS detector tracks the trajectories of particles (yellow and red lines) created in proton collisions at the Large Hadron Collider on June 3 — the first day of data collection after more than two years of upgrades. The green and blue bars represent the amount of energy deposited by different types of particles.

effects of radiation on the brain

BRAIN ZAP  After radiation exposure, mouse dendrites (green) in the medial prefrontal cortex were shorter and branched less than those of mice not exposed to radiation, as seen in this digital reconstruction. Exposed dendrites also had fewer docking sites (red) that detect messages from other cells. 

Lightning illuminates the sky during a storm in Weld County, Colo.

ELECTRICAL SURGE  Lightning illuminates the sky during a storm in Weld County, Colo. Researchers at LOFAR in the Netherlands developed a new technique to expose the conditions inside thunderclouds that lead to lightning strikes.

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