Chinese Academy of Sciences

A collaborative study by Chinese and Japanese scientists has uncovered evidence of ancient lower mantle flow fields beneath the Philippine Sea Plate, offering new insights into the Earth’s deep interior dynamics and the widespread presence of seismic anisotropy in the lower mantle.Scientists from China and Japan have identified unique features of the flow field in the lower mantle. Through their study of seismic anisotropy in the upper section of the lower mantle beneath the Philippine Sea Plate, they discovered that the…

By Aerospace Information Research Institute, Chinese Academy of Sciences March 18, 2024A breakthrough sensor using SAW technology provides wireless, highly sensitive detection of chemical warfare agents, marking a major advancement in safety technology by allowing for efficient and reliable monitoring in challenging environments. (Artist’s concept). Credit: SciTechDaily.comResearchers have developed a revolutionary sensor capable of detecting chemical warfare agents without wires, representing a major advancement in…

Diversity hotspots, centers of phylogenetic endemism, and conservation gaps for Malagasy vascular plants. Credit: IBCASResearch on Madagascar’s vascular plants reveals crucial conservation priorities, identifying areas of high endemic and phylogenetic diversity and pinpointing significant conservation gaps in the island’s arid and semi-arid regions.Despite the importance of biodiversity and the urgency to conserve it, assessing what aspect of biodiversity requires the highest priority has proven complex, especially when…

A groundbreaking study reveals that East Asia was inhabited by hominins with advanced tool-making skills equivalent to Mode 2 technology over 1.1 million years ago, challenging previous timelines and perceptions of early technological development in the region. This discovery, highlighting sophisticated techniques and planning, suggests a reevaluation of early human culture and connections across Eurasia. (A-E) Slender flakes are intentionally broken and used as blanks for retouching tipped tools. (G-I) Unifacially…

Researchers at the Institute of Modern Physics and collaborators have discovered two new isotopes, osmium-160 and tungsten-156, revealing potential for lead-164 to be a stable, doubly magic nucleus. This breakthrough enhances the understanding of nuclear stability and challenges traditional views on magic numbers, indicating a significant step forward in nuclear physics.Scientists at the Institute of Modern Physics (IMP) under the Chinese Academy of Sciences (CAS), along with their collaborators, have created two novel…

A new study of the extinct fossil ape Lufengpithecus from China offers groundbreaking insights into human bipedalism’s evolutionary origins. By analyzing the semicircular canals of the inner ear, researchers from the IVPP, YICRA, and NYU found evidence of locomotor patterns ancestral to bipedalism. The study highlights the significant role of environmental changes in the evolution of ape and human locomotion, contributing to our understanding of how human bipedalism evolved from a diverse ancestral locomotor repertoire.…

Schematic illustration showing the role of GQDs, derived from erythrocyte membranes, as peroxidase–mimic enzyme for tumor catalytic therapy. Credit: FHIPSA team led by Professor Wang Hui at the Hefei Institutes of Physical Science, part of the Chinese Academy of Sciences, has developed a metal-free nanozyme using graphene quantum dots (GQDs). This innovation is aimed at enhancing the effectiveness of tumor chemodynamic therapy (CDT).The study was published in the journal Matter.GQDs represent a promising and…

Astronomers have discovered that Type Ia supernovae, through interactions with surrounding gas, are a new source of cosmic dust, challenging previous beliefs that dust formation was exclusive to core-collapse supernovae. This discovery expands our understanding of dust formation in elliptical galaxies, potentially revising our views on the cosmic cycle of matter. Credit: SciTechDaily.comAstronomers identify Type Ia supernovae interacting with gas as a new source of cosmic dust, offering insights into the process of dust…

Researchers have made a landmark discovery in quantum physics by observing and quantitatively characterizing the many-body pairing pseudogap in unitary Fermi gases, a topic of debate for nearly two decades. This finding not only resolves long-standing questions about the nature of the pseudogap in these gases but also suggests a potential link to the pseudogap observed in high-temperature superconductors. Credit: SciTechDaily.comResearchers have conclusively observed the many-body pairing pseudogap in unitary Fermi gases,…

Researchers have developed a novel solvent sieve method to create highly efficient and stable perovskite light-emitting diodes (PeLEDs) with unparalleled performance. Credit: SciTechDaily.comGroundbreaking solvent sieve method enhances perovskite light-emitting diode performance, achieving unprecedented efficiency and operational lifetime.Using a simple solvent sieve method, researchers from the Ningbo Institute of Materials Technology and Engineering (NIMTE) of the Chinese Academy of Sciences (CAS) have taken the lead in…