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[:es]Beyond the Second Law[:]

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[:]

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[:]

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[:]

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[:]

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[:]

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 [:]

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[:]

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?
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[:es]AI Overcomes Stumbling Block on Brain-Inspired Hardware[:]

Algorithms that use the brain’s communication signal can now work on analog neuromorphic chips, which closely mimic our energy-efficient brains.