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In this work, the researchers realize the current-induced motion of Néel type chiral domain walls via spin-transfer-torque in the pristine van der Waals ferromagnet Fe3GeTe2 and via spin-orbit-torques in heterostructures with platinum or tungsten.
Atmospheric entry of asteroids or comets can cause significant damage to Earth. Two international bodies, the International Asteroid Warning Network (IAWN), and the Space Mission Planning Advisory Group (SMPAG) are working on dealing with potential threats.
Global climate policy has increasingly acknowledged the specific contributions of Indigenous Peoples. The outcome of COP 28, however, demonstrates that this acknowledgement has not shifted the conceptual foundations of dominant climate solutions, nor has it created space for Indigenous Peoples to effectively contribute. Drawing on our expertise as Indigenous scholars and practitioners, we offer four recommendations to shift climate policy and research away from these foundations towards reciprocal relationships with the natural world – strengthening it for future generations.
Josephson junction arrays lead quantum circuitry research, vital for quantum computing, simulation, and metrology. Here the authors show that increasing the number of links in an atomtronic Josephson junction necklace enhances the atomic circuit’s resilience to higher circulations, corresponding to higher critical currents.
Authors discover that the spin excitations of multiferroics convert the terahertz photon to the unidirectional charge current through the quantum geometrical aspect of optical process, paving the way to the terahertz photonics.
Using first-principles calculations, the authors highlight h-BN’s role in reshaping transition metal monolayers into kagome lattices—a key structure in 2D physics—and in stabilizing topological solitons vital for advanced data storage solutions.
It is unclear how the brain prioritizes goals. Here, the authors show that the mental timestamps assigned to goals guide their dissociation along the anterior-posterior parts of the hippocampus, extending its long axis system to include temporal goal organization.
Metastable states found in superconductors and charge density wave materials are of fundamental interest. Vodeb et al. study the domain wall dynamics in 1T-TaS2 using scanning tunneling microscopy and a quantum annealer, finding that in both cases the dynamics is driven by spectrally similar noise.
In this study, the authors identify genetic insertions in the population of hepatitis E virus analyzed in serum samples of a patient with ribavirin treatment failure. They show that these genomic rearrangements promote viral replication without affecting ribavirin sensitivity.
RNA-binding proteins play a pivotal role during neurodevelopment. Here, the authors show that m6A RNA methylation directs IGF2BP1/IMP1 protein to a set of mRNA targets, regulating a network of microtubule factors during neuronal differentiation.
The role of olfactory pathways in the development of neurodegeneration in Alzheimer’s disease is not well understood. Here, the authors show odor identification deficits are predictive of tau accumulation and progression in olfactory pathways, and that tau spreads from medial temporal lobe structures towards the olfactory system.
This study explores alternative stable states in microbial communities. Focusing on a respiratory tract community of 6 species, the authors identified four distinct stable states that are predicted to be driven by cooperative growth. The findings contrast with the common association between competitive interactions and multistability in microbial communities. Using a sample of a thousand eddies across the world’s oceans, this study examines the response of forage fauna detected by shipboard acoustics. The findings show that a minority of eddies exhibit significant effects on forage fauna, but that an oasis effect can sometimes occur. This highlights the need for further research to elucidate how eddies might attract marine predators.
Techniques to perform long-term recordings of brain activity from different areas are key to investigating many processes. Here, the authors introduce a tentacular implant with many independent fibers to track neuronal ensembles spanning multiple brain areas for months.
What features distinguish speech from song? Here, the authors show that consistent acoustical spectro-temporal features are sufficient to distinguish speech and song across different societies throughout the world.
The SPARTA defense system, activated by invading DNA for NAD(P)+ hydrolysis, was recently identified in bacteria. Here, authors visualize SPARTA before and after nucleic acid binding and uncover the basis of its active assembly leading to abortive infection.
Optimizing the synthesis for efficient luminescent materials requires consideration of a large number of parameters. Here, the authors realize high quantum yield full-color carbon quantum dot using an iterative machine-learning experimental strategy.
The PNPLA3 gene is associated with fatty liver disease. Here, the authors define a role for PNPLA3 as a polyunsaturated triglyceride lipase that maintains the balance between hepatic triglyceride storage and secretion.
Here, Yuan, Liu, and Xu et al. report cryo-EM structures of Staphylococcus aureus RNAP-promoter open complexes, highlighting distinct interactions of σA and σB with their cognate promoters.