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Using valley-resolved scanning tunnelling spectroscopy, twisted WSe2 bilayers are studied, including incommensurate dodecagon quasicrystals at 30° and commensurate moiré crystals at 21.8° and 38.2°.
Autoreactive T cells that target myelin antigens in the peripheral nerves are present in patients with the demyelinating form of Guillain–Barré syndrome, and these T cells are likely to contribute to disease pathophysiology.
Examination of nucleation during self-assembly of multicomponent structures illustrates how ubiquitous molecular phenomena inherently classify high-dimensional patterns of concentrations in a manner similar to neural network computation.
A new neuro-symbolic theorem prover for Euclidean plane geometry trained from scratch on millions of synthesized theorems and proofs outperforms the previous best method and reaches the performance of an olympiad gold medallist.
An extensive analysis of the JWST-NIRSpec spectrum of GN-z11 shows a supermassive black hole of a few million solar masses in a galaxy 440 million years after the Big Bang.
Observations from the JWST MIRI/LRS show the detection of SO2 spectral features in the 5–12-μm transmission spectrum of the hot, Saturn-mass exoplanet WASP-39b, suggesting that photochemistry is a key process in high-temperature exoplanet atmospheres.
This study describes a projection from the medial prefrontal cortex to the central amygdala that is involved in the regulation of defensive responses to threat.
Analysis of more than 236,000 observations of glacier terminus positions shows that accelerated calving reduced the ice area of Greenland by about 5,000 km2 since 1985, producing over 1,000 Gt of freshwater that could influence ocean salinity and circulation.
Predator mass-mortality events lead to the proliferation of diverse consumer and producer communities resulting from weakened top-down predator control and stronger bottom-up effects through predator decomposition.
We present comprehensive thermodynamic and spectroscopic evidence for an antiferromagnetically ordered heavy-fermion ground state in the van der Waals metal CeSiI.
The Berry phase is resolved in light-driven crystals, via attosecond interferometry, in which the electronic wavefunction accumulates a geometric phase as it interacts with the laser field, mapping its coherence into the emission of high-order harmonics.
A three-dimensional radiation-hydrodynamic simulation of a tidal disruption event (TDE) flare from disruption to peak emission shows how deterministic predictions of TDE light curves and spectra can be calculated using moving-mesh hydrodynamics algorithms.
We describe an imidodiphosphorimidate-catalysed asymmetric Wagner–Meerwein shift of aliphatic alkenyl cycloalkanes to cycloalkenes with excellent regio- and enantioselectivity.
Evidence for a quantum magnetic analogue of a supersolid appears in a recently synthesized antiferromagnet showing a strong magnetocaloric effect of the spin supersolid phase with potential for applications in sub-kelvin refrigeration.
tRNA display enables the direct selection of orthogonal aminoacyl-tRNA synthetases that acylate orthogonal tRNAs with non-canonical monomers, enabling in vivo synthesis of proteins that include these monomers and expanding the repertoire of the genetic code.
The use of mega-electronvolt ultrafast electron diffraction combined with resonance-enhanced multiphoton ionization yields data that can reveal the formation and subsequent structural relaxation of a molecular ion on an ultrafast timescale.
Integrated data, including 100 human genomes from the Mesolithic, Neolithic and Early Bronze Age periods show that two major population turnovers occurred over just 1,000 years in Neolithic Denmark, resulting in dramatic changes in the genes, diet and physical appearance of the local people, as well as the landscape in which they lived.
Analysis of naturally hybridizing swordtail fish species reveals a mitonuclear genetic incompatibility among three genes that encode components of mitochondrial respiratory complex I, providing insights into the emergence of hybrid incompatibilities and reproductive barriers.
The prokaryotic non-enzymatic effector protein Cam1 mediates CRISPR immunity by binding tetra-adenylate second messengers and forming a pore in the membrane that induces membrane depolarization and growth arrest.
A stripped-envelope supernova, SN 2022jli, shows 12.4-day periodic undulations during the declining light curve, and narrow Hα emission is detected in late-time spectra with concordant periodic velocity shifts.