Measuring low-frequency electric fields remains difficult when traceability, small size, and vector resolution are all required at the same time. A team at Nanyang Technological University, Singapore, proposed a sensing scheme based on a Rydberg dipolar atom chain, where the external field is reflected in angle-dependent many-body interactions. With readouts in the time, energy, and frequency domains, the work suggests a feasible way to realize compact and vector-resolved sensing of low-frequency electric fields.

China’s ambitious “Dual Carbon” initiative, aiming for carbon dioxide emissions to peak before 2030 and achieve carbon neutrality by 2060, necessitates a profound transformation across all sectors. A recent perspective paper explores the significant role of forestry in this national endeavor, detailing its potential to enhance carbon sequestration while addressing developmental challenges. The analysis, conducted by researchers at Foshan University, University of Western Australia, and the Guangdong Academy of Sciences, offers a strategic blueprint for leveraging forest resources as a low-cost carbon sink for global climate change mitigation.

Researchers have unveiled crucial details about how a common freshwater bacterium, Methylobacter sp. YHQ, manages the delicate balance of carbon and nitrogen biogeochemical cycles. This investigation, published in Carbon Research, utilized dual nitrogen-oxygen (N-O) isotope analysis and kinetic modeling to illuminate the enzymatic processes of assimilatory nitrate reduction and methane oxidation, offering a novel "fingerprint" to differentiate microbial nitrogen-cycling enzymes and providing a powerful quantitative tool for environmental management.

A University of Manchester Professor has been appointed by  Lord Vallance, Minister of State for Science, Innovation, Research and Nuclear, as an Expert Reviewer for an independent assessment of the Nuclear Decommissioning Authority (NDA);  an executive non-departmental public body that is charged with, on behalf of government, the mission to clean-up the UK’s earliest nuclear sites safely, securely and cost effectively.

Terrestrial ecosystems represent a significant global carbon reservoir, with soils holding the largest fraction, influencing both agricultural productivity and climate feedback mechanisms. Comprehending how soil organic carbon (SOC) distributes across various soil depths and types, along with the factors governing its accumulation, remains essential for effective land management decisions. A recent study, published in Carbon Research, investigated the profile distribution of SOC in the predominant soil orders of Chitwan district, Nepal, addressing a critical gap in horizon-based analyses for the region. This work by researchers from Agriculture and Forestry University and the National Soil Science Research Center offers valuable insights into the intricate dynamics of soil carbon, especially pertinent to a landscape facing pressures from extensive agriculture and nutrient mining.

Beijing, China — Researchers from Beijing Institute of Technology and other leading institutions have developed a novel approach for improving Multi-Hop Question Answering (MHQA) tasks, which require models to reason over multiple relevant facts to answer complex questions. The new method, called CausalBridgeQA, integrates causal inference into the MHQA process to address persistent issues of reasoning breakdowns and feature spurious correlations, which are common challenges in current models.