Researchers at Chinese Academy of Sciences discovered spin-polarization in fluid due to shear flow, predicting a new effect called shear-induced polarization (SIP). This discovery resolves the long-standing spin-sign puzzle and demonstrates a pattern similar to measured Lambda polarization in experiments.
A team of scientists has isolated exquisitely preserved cartilage cells from a 125-million-year-old dinosaur, revealing nuclei with remnants of organic molecules and chromatin. This discovery provides preliminary data suggesting that original dinosaur DNA may still be preserved, challenging traditional fossilization theories.
Ancient DNA research has revealed multiple waves of introgression between archaic humans and modern humans, as well as genetic continuity with present-day populations. Genetic data support an origin of early modern humans in Africa, while Eurasian populations show several early human lineages.
Researchers at the Chinese Academy of Sciences have developed a chemoenzymatic system that converts CO2 into starch with an efficiency 8.5-fold higher than natural biosynthesis. This innovative technology has the potential to produce starch from CO2 on a large scale, reducing the need for cultivated land and freshwater resources.
Researchers discovered that six IMA family members interact with BRUTUS to activate the Fe-deficiency response. IMA peptides stabilize bHLH105/bHLH115 proteins and promote their accumulation under Fe-deficient conditions.
A new photocatalysis-membrane coupling system removes membrane fouling by generating reactive oxygen species on a separate unit, reducing the need for H2O2 transportation. This approach improves photocatalyst engineering and offers sustainable foulant control in large-scale applications.
A new species of enantiornithine with a pintail has provided insights into the importance of sexual selection in early avian evolution. The discovery highlights the diversity of tail plumages evolved by this clade and challenges previous hypotheses about aerodynamic costs.
Researchers developed a nanofluidic device called an 'exosome nanoporator' to load exogenous cargo into exosomes. The device efficiently loads clinically approved antitumor drugs into exosomes without damaging them, enabling the delivery of these drugs to cancer cells.
The study provides a high-quality genome sequence of Aristolochia fimbriata, shedding light on angiosperm evolution, floral development, and chemical biosynthesis. The researchers identified two overlooked whole-genome duplications in Piperales and clarified the time of previously reported WGDs in Magnoliales and Laurales.
Researchers developed a technique to quantify metabolism-related phenotypes from a single cell using single-cell Raman microspectrometry. This approach, called Intra-Ramanome Correlation Analysis (IRCA), enables the prediction of metabolite inter-conversion networks from just dozens of cells.
A recent study published in Current Biology found that individuals with obesity burn fewer calories on body maintenance when exercising, reducing the calorie-burning gains of exercise. This reduction in energy expenditure was most pronounced in individuals with obesity and older adults.
A new study finds that greenhouse warming will increase North Tropical Atlantic variability, causing more frequent extreme events like hurricanes and droughts. The research also reveals an amplification of ENSO-induced temperature anomalies due to increased ENSO variability in a warming climate.
Researchers generate high-quality genome assemblies for common seadragons and alligator pipefish to study phenotype and sex-determination mechanisms. Key findings include the discovery of a putative sex-determination locus and candidate gene in both species.
A recent study by Chinese Academy of Sciences researchers found that circular RNA circURI1 inhibits the spread of gastric cancer cells. It achieves this by sequestering hnRNPM, modulating alternative splicing in gastric cancer cells. This breakthrough provides a new perspective on the molecular basis of cancer metastasis.
A joint Sino-Brazilian research team has reported new dinosaur fossils from the Early Cretaceous Hami Pterosaur Fauna, including two giant sauropod species. The findings, published in Scientific Reports, provide significant insights into Chinese sauropods and the ecological diversity of the region.
A study of over 6,600 people worldwide found that metabolism slows down by about 3% each year until the 20s, then levels off. Energy needs do not increase during adolescence or midlife despite expected growth spurts.
Researchers found a link between Zika virus-induced microcephaly and NAD+ metabolism, identifying NAD+ as a key factor in the disease. Supplementing with NAD+ or its precursors may provide therapeutic benefits for newborns affected by Zika virus infection.
A new approach streamlines genome sequencing and sample preparation for single cells, enabling researchers to analyze differences and similarities across isolated cells. This breakthrough enhances our understanding of biological origins and evolution.
The study developed a dynamic trimer catalyst with high loading, stability, and activity for selective hydrogenation of acetylene and 1,3-butadiene. The catalyst showed excellent performance in activity, selectivity, and stability, with minimal coke formation.
Researchers found that host sanctions prevent fig wasp cheating by promoting the loss of specialized morphologies and behaviors crucial for pollination. Effective sanctions enforce cooperation in fig-wasp mutualism.
A new study published in Nature Communications sheds light on the nature of Betelgeuse's mysterious dimming, which was observed from October 2019 to March 2020. The research team found that a temperature drop of 170 K could explain the dimming, suggesting the presence of a large dark star-spot on Betelgeuse's surface.
Researchers achieve continuous and flat nearly single-crystalline nitride films on amorphous glass substrate via van der Walls strategy. The development of this technology promises a universal method for improving the incorporation of Indium in III-nitrides.
The study reveals ketamine's binding pocket in human NMDA receptors and identifies key residues essential to its action. This discovery paves the way for developing rapid-acting antidepressants with fewer side effects.
Researchers have designed a novel material that combines the desirable characteristics of chloride solid electrolytes, including high ionic conductivity and deformability. The new electrolyte, Li2ZrCl6, offers a significantly lower raw material cost and improved humidity tolerance than existing alternatives.
Research predicts that climatologically wet regions will get wetter on average, but also swing widely between wet and dry conditions. This increased rainfall variability could lead to more extreme weather events impacting crop yields, river flows, and infrastructure resilience.
Researchers developed a novel exosome-based treatment to deliver VEGF antibodies and suppress inflammation in ocular diseases. The therapy, rEXS-cL-aV, showed potent therapeutic efficacy in murine and nonhuman primate models.
Researchers reconstructed full-frequency precipitation variability in the Asian Summer Monsoon using a 6,700-year tree-ring stable isotope chronology. The data suggests a long-term decreasing trend and several abrupt climate change events, including a drought regime from ~1,675-1,185 BCE.
A study on gymnosperm diversification reveals that gene duplications are linked to major pulses of phenotypic evolution. The researchers found that ecological opportunity and environmental heterogeneity drove a resurgence of gymnosperm diversification since the rise of angiosperms.
A research team has explained the cause of Jupiter's X-ray aurorae, a phenomenon puzzling scientists for decades. The study found that heavy ions with mega-electron volt energies produce the auroral flares, triggered by magnetic compression and electromagnetic waves in Jupiter's magnetosphere.
A global network of microbiomes reveals that only six 'relatives' (or seven 'steps') separate any two microbiomes on Earth, indicating a common origin. The study also sheds light on the interactions between microbes in different ecosystems and their responses to climate change.
The Large High Altitude Air Shower Observatory (LHAASO) has accurately measured the brightness of the Crab Nebula over a record-breaking energy range. The measurement confirms past findings and provides direct evidence for the acceleration of high-energy electrons in the nebula.
Researchers developed hybrid membrane nanovaccines that educate patients' immune systems to distinguish tumor components as 'non-self', preventing recurrence and metastasis. The vaccines induce robust innate and adaptive immune responses, offering a new opportunity for individualized cancer vaccines.
A joint research team led by Prof. FU Qiaomei has sequenced the ancient genomes of 31 individuals from southern East Asia, unveiling a missing piece of human prehistory. The study reveals three genetically distinct ancestries in southern East Asia and Southeast Asia: Fujian ancestry, Hòabìnhian ancestry, and Guangxi ancestry.
Researchers from ITP of Chinese Academy of Sciences use water meters to estimate annual total river runoff for 13 major rivers in the region. The study reveals significant regional variations in river runoff, with higher values found in Indian monsoon domain, and shows climate change impacts on snow and glacial melting.
A 120-million-year-old fossil of a tiny bird found in China shares structural and functional features with the massive Tyrannosaurus rex. The discovery sheds light on the evolution of birds from dinosaurian ancestors.
Researchers have developed a Ramanome Database to rapidly identify and characterize microalgae, which can convert carbon dioxide into valuable compounds. The database achieves 97% accuracy in identifying species and their metabolic functions, accelerating the mining of microalgal cell factories for carbon-neutral production.
A new species of Paraceratherium has been discovered in China, shedding light on the dispersal of giant rhinos across Asia. The study found that the giant rhino could disperse freely from the Mongolian Plateau to South Asia along the eastern coast of the Tethys Ocean and perhaps through Tibet.
Researchers have successfully driven nanoparticles to orbit below light diffraction limit, achieving high orbital rotation speeds of over 1000 r/s and subdiffraction radii of 70 nm. This new mechanism enables efficient spin angular momentum conversion to orbital angular momentum.
Research found reduced microbial stability and increased soil organic carbon loss in degraded alpine permafrost on the Qinghai-Tibet Plateau. This degradation can lead to a positive carbon-climate feedback, exacerbating global warming.
Researchers have found that summer rainfall on the Tibetan Plateau is highly predictable on multiyear timescales using large ensemble predictions. The study reveals a substantial underestimation of the predictable signal in state-of-the-art decadal prediction models.
A recent experiment by Prof. YAN Xingbin's group reveals that an external magnetic field can induce capacitance change in aqueous acidic and alkaline electrolytes but not in neutral electrolytes, providing insight into ion transport behavior.
A new study by Chinese Academy of Sciences researchers has revealed diverse magnetic field morphologies in Solar-type star-forming cores in the Taurus B213 region. The findings contradict expectations based on theory that magnetic fields regulate star formation.
The researchers reported a reference sequence for the supernumerary B chromosome in maize, with key properties such as its origin and molecular mechanism remaining unclear. The study found that the current gene content is a result of continuous transfer from the A chromosomal complement over an extended evolutionary period.
Researchers analyzed ancient DNA from 25 humans, revealing that the population dynamics between 40,000-9.5 ka were influenced by Ice Age climatic fluctuations. The study provides evidence for an Asian-specific variant associated with anthropogenic traits.
Scientists have created a new instrument that can sort and sequence the genome of individual soil bacteria while identifying their functions. The RACS-Seq technique uses laser tweezers and gravity to analyze each bacterium one by one.
A new strategy using massive molecular dynamics simulations has been proposed to improve the energy density and power density of EDLCs with ILs. By introducing ionophobicity, the researchers found a significant enhancement in overall performance, particularly with an extremely ionophobic electrode.
Fossil seed-bearing structures from China's Early Cretaceous period show a recurved cupule with two seeds, suggesting a link to extinct non-angiosperm plants. The discovery supports an earlier idea about the origin of flowering plants' distinctive outer seed covering.
The Galactic Plane Pulsar Snapshot (GPPS) has discovered 201 pulsars using the Five-hundred-meter Aperture Spherical radio Telescope (FAST), including many very faint and millisecond pulsars. The survey reveals more electrons in the Milky Way's spiral arms than previously known.
LHAASO's discovery opens up an era for UHE gamma astronomy, prompting scientists to rethink high-energy particle acceleration and propagation mechanisms. The observatory detected 12 stable gamma ray sources with energies up to 1 PeV, revealing the Milky Way is full of PeVatrons.
Researchers discovered that the ZAR1 resistosome forms pentameric oligomers in plant cell membranes, triggering sustained calcium ion influx and immune signaling events. This activation initiates cell death and is dependent on the activity of the calcium-permeable ion channel.