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A triangular-lattice Hubbard system realized with ultracold atoms is used to directly image spin polarons, revealing ferromagnetic correlations around a charge dopant, a manifestation of the Nagaoka effect.
We report on a near-zero-power flexible heat pump that uses both electrocaloric and electrostrictive properties of a tailored polymer to create a chip-scale refrigerator device.
The geological histories of Archaean regions indicate that stabilization of the Earth’s continents and the formation of cratons was driven by continental emergence and subaerial weathering.
Biochemical screening and optimization identify small molecules that inhibit the formation of lipoprotein(a), and these inhibitors reduce the levels of Lp(a) in several animal models, suggesting that they could provide a therapeutic option in humans.
Enhanced light–molecule interactions in high-finesse fibre-based Fabry–Pérot microcavities are used to detect and profile individual unlabelled solution-phase biomolecules, leading to potential applications in the life and chemical sciences.
By demonstrating a computational approach to restore the clinical efficacy of a COVID-19 antibody, the potential to rapidly update clinical antibodies is explored.
A molecular design strategy for reducing the vibration-induced non-radiative losses in emissive organic semiconductors is realized by decoupling excitons from high-frequency vibrations.
A new method based on the Josephson effect is described, allowing to measure the superfluid fraction of a supersolid, which captures the effect of spatially periodic modulation leading to reduction in the stiffness of superfluids.
Electro-optical photonic integrated circuits based on lithium tantalate perform as well as current state-of-the-art ones using lithium niobate but the material has the advantage of existing commercial uses in consumer electronics, easing the problem of scalability.
Using a Bayesian learning approach, a study tracks the spatial representations by individual hippocampal cells over time in freely moving rats, and provides insights into how ensemble patterns form and reconfigure during sleep.
Reducing greenhouse gas emissions, managing ecosystem health, and preventing biological invasions and biodiversity loss could help to reduce the burden of plant, animal and human diseases, especially when coupled with improvements to social and economic determinants of health.
Using an optical resonator containing two individually addressable atoms in a single cavity, fusion of deterministically generated photonic graph states to create ring and tree graph states with up to eight qubits is demonstrated.
QS-21—an FDA-approved vaccine adjuvant—and several structural analogues of QS-21 can be synthesized in engineered yeast strains, and this process is much less laborious compared with the conventional mode of extraction from the Chilean soapbark tree.
By using volunteers to map roads in forests across Borneo, Sumatra and New Guinea, an innovative study shows that existing maps of the Asia-Pacific region are rife with errors. It also reveals that unmapped roads are extremely common — up to seven times more abundant than mapped ones. Such ‘ghost roads’ are promoting illegal logging, mining, wildlife poaching and deforestation in some of the world’s biologically richest ecosystems.
The development of high-performance organic LEDs and other devices that emit near-infrared light has been hindered by seemingly fundamental features of the light-emitting molecules. A potential solution has been identified.
The Chilean soapbark tree is the source of QS-21 — a valuable but hard-to-obtain vaccine additive. Yeast strains engineered to express all components of the QS-21 biosynthetic pathway provide an alternative route to this therapeutic.
A hallucinogenic compound secreted by toads has served as a springboard for research into the therapeutic benefits of psychedelics. The findings suggest that these compounds exert antidepressant effects in part by binding an under-appreciated target in the brain.
