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News from CAS Headquarters

Updates every hour. Last Updated: 13-Aug-2025 01:11 ET (13-Aug-2025 05:11 GMT/UTC)

8-Aug-2025

Scientists discover rare deep-sea hydrothermal system in Western Pacific producing massive hydrogen emissions

Chinese Academy of Sciences Headquarters
Peer-Reviewed Publication

Scientists from the Institute of Oceanology of the Chinese Academy of Sciences have discovered a massive hydrogen-rich hydrothermal system beneath the western Pacific seafloor, offering a new glimpse into deep-sea serpentinization—a process in which iron- and magnesium-rich rocks chemically react with water to form serpentine minerals and release hydrogen.

Journal: Science Advances

4-Aug-2025

Scientists achieve megabase-scale precision genome editing in eukaryotic cells

Chinese Academy of Sciences Headquarters
Peer-Reviewed Publication

A team led by Prof. GAO Caixia from the Institute of Genetics and Developmental Biology of the Chinese Academy of Sciences developed two new genome editing technologies, known collectively as Programmable Chromosome Engineering (PCE) systems to achieves multiple types of precise DNA manipulations ranging from kilobase to megabase scale in higher organisms, especially plants.

Journal: Cell

31-Jul-2025

Researchers reveal spatiotemporal coordination between pre-rRNA processing and nucleolar architecture

Chinese Academy of Sciences Headquarters
Peer-Reviewed Publication

A team led by Prof. CHEN Lingling from the Center for Excellence in Molecular Cell Science of the Chinese Academy of Sciences revealed a spatiotemporal separation in the processing of distinct rRNA precursors (pre-rRNAs) within the nucleolus, offering a new perspective on how nucleolar architecture is functionally organized.

Journal: Nature

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News from CAS Institutes

Updates every hour. Last Updated: 13-Aug-2025 01:11 ET (13-Aug-2025 05:11 GMT/UTC)

11-Aug-2025

Bipolar-barrier tunnel heterostructures for high-sensitivity mid-infrared photodetection

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS
Peer-Reviewed Publication

Achieving high specific detectivity at room-temperature, comparable to background-limited mid-infrared (MIR) performance, has been a longstanding challenge in the MIR optoelectronics. Towards this goal, scientist in Singapore designed a bipolar-barrier tunnel heterostructure, which effectively suppresses dark current while facilitating the tunneling of photogenerated carriers, enabling high-sensitivity mid-infrared photodetection. The design will open new avenues for advancement of next-generation infrared optoelectronic devices.

Funder: Singapore Agency for Science, Technology and Research (A*STAR), National Medical Research Council (NMRC), National Research Foundation Singapore

10-Aug-2025

Long-propagating ghost phonon polaritons enabled by selective mode excitation

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS
Peer-Reviewed Publication

Controlling light at the nanoscale unlocks opportunities for future technologies. Scientists from Australia and the United States have discovered that micron-scale gold antennas, fabricated on the surface of calcite, can act as miniature mirrors to launch “ghost” light waves over unprecedented distances. This breakthrough, which increases propagation length by four-fold, offers potential applications in improved heat management in high-performance computers. This strategy paves the way for next-generation nanophotonic technologies.

Journal: Light Science & Applications
Funder: ANU PhD Student Scholarship, Australian Research Council, ARC Centre of Excellence in Quantum Computation and Communication Technology, National Science Foundation’s QLCI-CI: Hybrid Quantum Architectures and Networks

10-Aug-2025

Topological pumping of light governed by Fibonacci numbers

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS
Peer-Reviewed Publication

This study extends Thouless pumping from periodic to quasi-periodic driving, uncovering the intrinsic link between topological transport and the irrational frequency ratio of the lattice modulation. The findings broaden the applicability of Thouless pumping in topological transport.

Journal: eLight
Funder: Portuguese Foundation for Science and Technology (FCT), Institute of Spectroscopy of the Russian Academy of Sciences,, Shanghai Outstanding Academic Leaders Plan, Shanghai Leading Talent Program 1 of Eastern Talent Plan (The 16th Shanghai Leading Talent Program), National Natural Science Foundation of China, China Postdoctoral Science Foundation

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