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Researchers trained microrobot navigation policies in under 10 minutes on a simulator running about 190,000 transitions per second. That shortens the design loop for microrobot controllers, though the policies learned entirely in simulated blood vessels.
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Researchers using nitrogen-doped tin catalysts in CO2 electrolysis raised carbon-13 from its natural 1.1% to over 14% of the output CO2. A computed isotope factor guided the catalyst choice, though the energy saving over existing separation methods is still to be measured.
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The authors accept that de novo protein sequencing is worth chasing, and argue the field has crowded into it while size-tunable solid-state pores sit underused for measuring the assemblies that biology actually builds.
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A new paper reports that a model predicting executable atom-level edits outperforms state-of-the-art baselines at generating synthesizable analogues with high structural fidelity, and that open-weight backends perform comparably to proprietary ones.
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The framework was assembled with sodium inside it under high pressure, then emptied. The boron left behind conducts seven orders of magnitude better than beta-boron and still deforms plastically, a pairing the paper calls challenging to achieve.
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Charged defects of opposite sign need opposite chemical fixes, and those fixes normally quench each other, so one group built Lewis acid and base families too hindered to react and certified a cell at 25.8% steady state.
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A rhodium cascade assembles a threofuranose ring from an aldehyde in one operation. The authors' larger claim is that carbonylative cascades can stand in for the protecting-group sequences sugar chemistry runs on.
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The analysis argues that a model standing in for people can be sound for one research purpose and unsound for the next, and that the four purposes it identifies each rest on a different claim about human likeness.
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A template-assisted synthesis gave two ZrO2 samples with the same crystal structure and oxygen vacancies in different charge states. In situ EPR then caught the electropositive centre binding O2 and cleaving the bond.
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SPLENDID fits one penalized regression that treats genetic ancestry as a continuum, and its authors report more accurate prediction in All of Us and UK Biobank than methods that first sort people into ancestry groups.
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Tip-enhanced Raman imaging of one silver tip over a platinum crystal finds about 20% more hydrogen activation in a band 180 to 300 nanometres out, with the mechanism attributed to hot electrons rather than plasmonic heat.
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A wireless device worn on the animal combines flexible probes, optogenetics, motion sensing, an ultrasonic microphone and a head camera, and runs its event detection onboard so it can intervene while a mouse is still moving.
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Its authors report 30,000 candidate structures and 38 leads in 48 hours from models small enough to run locally, though the comparison with frontier systems arrives in the abstract without a named baseline.
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Caging chemistry needs a heteroatom to grab hold of, and phenylalanine offers none. So the authors hung an iodine on its ring, then used palladium to strip it off and switch a HER2 affibody's binding back on.
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A team adapting the implicit association test to reasoning traces found four of five models working harder on association-incompatible prompts, which puts a measurable bias signal in the process rather than only in the answer.
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Donor overhangs of about 30 nucleotides, matched to a pair of overhang-complementary pegRNAs, were enough to move exon-sized cargo without a double-strand break. That ceiling is worth knowing even though the public abstract reports no efficiencies.
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Held inert inside a live cell until a mild voltage unmasks a reactive ketone, the handle gives chemists a switch for when labelling happens, though the published abstract carries no efficiency or selectivity numbers to judge it by.
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The core ask is architectural: split the state vector into internal and external variables, and give the internal ones their own dynamics. The formalization sits behind a $39.95 paywall.
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A new paper reports 5.0% quantum yield for nitrogen reduction at ambient pressure and 10.8% under pressurised nitrogen, driven by cheap iron(II) salts and ultraviolet C light.
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Encapsulating cargo inside hydrophilic protein shells sidesteps the air-water interface. The paper ships three proof-of-principle structures, five deposited maps, and no resolution figures in the abstract.
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Science · August 19, 2026 · 1 publisher
Science · August 17, 2026 · 1 publisher