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[:es]Newly Measured Particle Seems Heavy Enough to Break Known Physics[:]

[:es]A new analysis of W bosons suggests these particles are significantly heavier than predicted by the Standard Model of particle physics.[:]
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[:es]Beyond the Second Law[:]

[:es]Thanks to the power of fluctuation relations, physicists are taking the second law of thermodynamics to settings once thought impossible.[:]
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[:es]Cells Blaze Their Own Trails to Navigate Through the Body[:]

[:es]With self-generated gradients of chemicals and physical tension, cells in the body steer themselves to vital destinations.[:]
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[:es]Brain Chemical Helps Signal to Neurons When to Start a Movement[:]

[:es]Dopamine, a neurochemical often associated with reward behavior, also seems to help organize precisely when the brain initiates movements. It’s the latest revelation about the power of neuromodulators.[:]
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[:es]An Antimatter Experiment Shows Surprises Near Absolute Zero[:]

[:es]An experiment conducted on hybrid matter-antimatter atoms has defied researchers’ expectations. [:]
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[:es]Peptides on Stardust May Have Provided a Shortcut to Life[:]

[:es]The discovery that short peptides can form spontaneously on cosmic dust hints at more of a role for them in the earliest stages of life’s origin, on Earth or elsewhere.[:]
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[:es]In New Math Proofs, Artificial Intelligence Plays to Win[:]

[:es]A new computer program fashioned after artificial intelligence systems like AlphaGo has solved several open problems in combinatorics and graph theory.[:]
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[:es]A Deepening Crisis Forces Physicists to Rethink Structure of Nature’s Laws [:]

[:es]For three decades, researchers hunted in vain for new elementary particles that would have explained why nature looks the way it does. As physicists confront that failure, they’re reexamining a […]
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[:es]A Billion Years Before Sex, Ancient Cells Were Equipped for It[:]

[:es]Molecular detective work is zeroing in on the origins of sexual reproduction. The protein tools for cell mergers seem to have long predated sex — so what were they doing?[:]