News from China
Updates every hour. Last Updated: 22-Oct-2026 23:16 ET (23-Oct-2026 03:16 GMT/UTC)
New graphene diffraction technology enables spectrally programmable optical authentication
Editorial Office of Opto-Electronic Journals GroupPeer-Reviewed Publication
As electronic devices become increasingly connected, hardware authentication must move beyond stored digital secrets that can be copied or emulated. Researchers developed a graphene-based optical physical unclonable function that uses different combinations of red, green, and blue light as programmable challenges. A transformer-based model converts the resulting diffraction patterns into compact binary response units, demonstrating a route toward spectrally programmable optical authentication for future hardware security in connected devices and edge systems.
- Journal
- Opto-Electronic Advances
New chip-scale optical platform enables high-quality ultrawide beam steering
Editorial Office of Opto-Electronic Journals GroupPeer-Reviewed Publication
Researchers have developed a chip-scale platform for ultrawide-angle, two-dimensional optical beam steering. The system integrates a silicon photonic integrated circuit, freeform micro-optical reflectors, and a metasurface to transform guided light into high-quality free-space beams and direct them across a measured 161° field-of-view while maintaining nearly diffraction-limited beam quality. This compact, scalable architecture offers a pathway toward inter-satellite optical links, airborne LiDAR, point-to-point optical wireless communications, and other applications requiring agile, wide-angle beam control.
- Journal
- Opto-Electronic Advances
- Funder
- Singapore-MIT Alliance for Research and Technology (SMART) Centre – WISDOM Program, National Aeronautics and Space Administration (NASA) – STTR Phase I, Air Force Office of Scientific Research
Where is the northernmost boundary of the southeastward extrusion in the southeastern Tibetan Plateau?
Science China PressIt is widely recognized that the southern part of the southeastern Tibetan Plateau has experienced significant southeastward extrusion since the Late Eocene. However, recent paleomagnetic studies indicate that the northern part may have undergone northward motion, although the magnitude and timing of this motion remain debated. Paleomagnetic investigations of the Eocene Dongwang Formation red beds in the Deqin area, located in the central part of the southeastern Tibetan Plateau, suggest that this region was situated at 34.4°N during the Eocene and experienced no significant latitudinal displacement relative to Eurasia. Integrating regional structural geology and paleomagnetic data, differential north–south motion has occurred along the southeastern Tibetan Plateau since the Late Eocene: the southern part experienced significant southeastward extrusion, the northern part underwent only limited northward displacement, and the central Deqin area constitutes the northernmost boundary of Southeastward Extrusion. The overall motion was likely accomplished by clockwise rotation centered on the Deqin area.
- Journal
- Science China Earth Sciences
Model AniCD-L: Reveals the zonation of lithospheric anisotropy in the Sichuan–Yunnan region
Science China PressIn a recent study published in Science China Earth Sciences, researchers from the Research Group of Seismic Anisotropy and Deep Tectoncis, the Institute of Earthquake Forecasting, China Earthquake Administration, present a lithospheric azimuthal anisotropic model in the E margin and SE margin of Tibetan Plateau (model AniCD-L). The model reveals distinct north–south zonation of lithospheric anisotropy and provides evidence that the southwestern boundary of the South China block extends at least to the vicinity of the Red River Fault at the upper mantle scale. The model AniCD-L provides new seismological constraints on intracontinental deformation mechanisms associated with the India–Eurasia collision.
- Journal
- Science China Earth Sciences
New comprehensive review maps the RNA regulatory landscape in plants
Science China PressPeer-Reviewed Publication
A new review in SCIENCE CHINA Life Sciences maps how different types of RNAs regulate growth, development, and stress responses in plants. The authors synthesize decades of research and provide a roadmap for harnessing RNA-based strategies to address food security and sustainable agriculture in a changing climate.
- Journal
- Science China Life Sciences
Anomalous splitting of image-potential states on HOTI Bi(111) provides a new spectroscopic window into possible monopole-like topological magnetoelectric responses
Science China PressPeer-Reviewed Publication
Researchers observed an anomalous splitting of image-potential states on higher-order topological Bi(111). By tuning film thickness and substrate screening, they linked the splitting to a radial active electric field and the development of Bi(111) surface states. The anomaly provides a possible spectroscopic signature of a monopole-like topological magnetoelectric response.
- Journal
- National Science Review
Gut bacterial enzyme worsens colitis by switching off a protective intestinal signal
Science China PressPeer-Reviewed Publication
Researchers identified a DPP4 enzyme from Bacteroides vulgatus that inactivates GLP-2, a peptide involved in protecting the intestinal barrier, and worsens colitis in a preclinical model. A natural-product screen identified theaflavin as a BvDPP4 inhibitor that countered this effect, providing a basis for further study of this microbial enzyme-host pathway.
- Journal
- Science China Life Sciences
Marine carbohydrate therapeutics: from structural diversity to clinical translation
KeAi Communications Co., Ltd.Peer-Reviewed Publication
A new review traces the development of carbohydrate-based medicines originating from marine organisms, from early bioactivity studies to approved products and current clinical trials. It links structural features such as sulfation, molecular weight and branching with therapeutic use, and outlines the production, quality-control, mechanistic and pharmacokinetic challenges that still limit clinical translation.
- Journal
- Glycoscience & Therapy
- Funder
- National Natural Science Foundation of China, Qingdao Natural Science Foundation, Shandong Provincial Key Research and Development Program, Qingdao Marine Science and Technology Center, Taishan Scholar Climbing Project, Taishan Scholar Young Project
Paraopeba River in Brazil remains unsettled six years after dam collapse
KeAi Communications Co., Ltd.Peer-Reviewed Publication
Four years of monitoring after the 2019 Brumadinho tailings dam collapse show that Brazil's Paraopeba River has not returned to a stable state. Bottom-dwelling invertebrate communities were reshuffled continuously at every site, and the reaches that received tailings show no sign of settling. Tributaries held most of the species, including many found nowhere else, and act as reservoirs that resupply the damaged channel. Protecting them is now the priority for restoring the basin.
- Journal
- Water Biology and Security
- Funder
- Vale S.A.