An international team of scientists has discovered 30 exocomets in the β Pictoris planetary system, determining their size range and estimating a similar size distribution to those orbiting the Sun. This discovery sheds new light on the origin and evolution of comets in planetary systems.
Researchers have created new patented materials that can capture and release acetylene with high efficiency, outperforming existing porous materials. The flexible Metal-Organic frameworks (MOFs) offer tunable gas storage and release conditions suitable for industrial applications.
A seismic algorithm has been developed to detect and locate volcanic eruptions in near real-time. The algorithm was tested using the Hunga Tonga Ha'apai eruption, which ejected around 10 km³ of ash and lava, making it the largest explosive eruption of the 21st century.
Researchers identified genes and epigenomic marks that enable cancer cells to resist chemotherapy. By inhibiting these marks, epi-drugs can restore treatment sensitivity. Future clinical trials aim to adapt this concept for human use.
Perseverance mission has recorded the first ever sounds from Mars, showing that the planet is quiet due to low natural sound sources. The rover's microphone captured sounds within the human audible spectrum, including shock waves and helicopter flights.
Research reveals that people who grew up in rural areas have a better sense of direction than those in cities, especially in countries with complex topographies. The study used video game data from Sea Hero Quest to analyze over 400,000 participants from 38 countries.
A recent study found that stimulating reactive astrocytes promotes the elimination of toxic protein aggregates in Huntington's disease. This cooperative mechanism between neurons and astrocytes holds promise for potential treatments.
A new bird species, Fregetta lineata, was discovered in New Caledonia and is believed to be critically endangered. With an estimated population of 100 to 1,000 pairs, the species is already threatened.
A research team has demonstrated the potential of a new material based on rare earths as a photonic quantum system, showing interest in europium molecular crystals for quantum memories and computers. The material enables ultra-narrow optical transitions, enabling optimal interactions with light.
Scientists discovered that ants can differentiate healthy from cancerous human cells based on distinct smell signatures. The insects, trained to recognize volatile organic compounds, show high potential for cancer detection with lower costs and efficiency.
Researchers from CNRS have identified the mechanisms behind synchronized spider hunting behavior. Spiders in tropical colonies use vibrations to mask prey signals, increasing their ability to detect and capture prey up to several hundred times their size.
Researchers developed behavioral task for rats to press lever within 3.2 seconds, earning rewards based on accuracy. Rats chose correct feeder based on temporal error, showing 'error monitoring' ability.
The discovery of Balkanatolia reveals a unique fauna that enabled Asian mammals to colonize Western Europe 34 million years ago. A new fossil deposit in Turkey dated 38-35 million years ago supports this finding, shedding light on the evolution of mammals.
Researchers studied 100 babies' eye movements and brain activity to reveal that by 4 months, they can categorize objects into animate or inanimate groups. This ability emerges early, with refined categories appearing between 10-19 months.
Researchers have created the first global map of flow velocities for 98% of the world's glaciers using satellite images. The study found that Himalayan glaciers hold a third more water than previously estimated, while tropical Andean glaciers may be up to 23% smaller.
Researchers found two gas reservoirs, one containing solar gas and the other with terrestrial water signature, in the earliest stages of our solar system. This discovery suggests that Earth's water was present before the accretion of its constituent blocks.
Researchers detect hundreds of major methane releases linked to global oil and gas extraction activities, with a one-year comparison to 20 million vehicles. Limiting these emissions could mitigate climate effects and save billions of dollars for fossil-fuel-producing countries.
Soil algae play a crucial role in the global carbon cycle, capturing approximately 30% of human-caused CO2 emissions. The research found that these microorganisms sequester around 3.6 gigatonnes of carbon annually.
Vaccination prioritization aims to reduce mortality and epidemic progression by targeting older individuals, minimizing selection pressure on virus variants. By considering evolutionary dynamics alongside epidemic dynamics, researchers can develop effective vaccine strategies to combat emerging variants.
Ancient Mesopotamian societies produced equid hybrids called kungas by crossing domestic donkeys with wild asses, offering a unique combination of strength and control. These animal hybrids were used for warfare and travel before the arrival of domestic horses in the region.
A study by CNRS and partners found that policies like replacing wood heaters with modern stoves and reducing motor vehicle traffic can meet health objectives while generating significant economic benefits. The analysis shows that such measures could lead to an annual benefit of €629 per capita, outweighing the cost.
A unique stellar structure in the Milky Way, C-19, has been found to consist of stars with extremely low metallicity, challenging current understanding of star formation models. This discovery provides a direct window into the earliest ages of star formation and the development of stellar structures in the distant past.
A recent study has discovered microplastic in the high-altitude air surrounding Pic du Midi Observatory, located in the Pyrenees mountains. The researchers analyzed 10,000 cubic meters of air and found a concentration of approximately one particle per 4 cubic meters. This finding indicates intercontinental atmospheric transport of micr...
Researchers from CNRS and ENS de Lyon reveal the driver behind Pluto's Sputnik Planitia basin's flat polygons separated by narrow troughs, which is a sign of thermal convection within the icy mass. The process bears resemblance to ocean movements, not ice layer behavior on Jupiter and Saturn moons.
Guinea baboons developed common rules for a device task in just three days, demonstrating efficient and arbitrary solutions. The conventions were stable over time and unaffected by the absence of individual interaction.
Scientists found that variations in Earth's orbit drive cycles of higher and lower diversity in coccolithophore size and shape, with rhythms of 100 and 400 thousand years. This influence may have played a role in ancient climates and climate variations during past warm periods.
Researchers studied 15th century tempera recipes to understand the mixture's properties on a molecular scale. They found that the combination of egg-yolk and clay-based pigment creates a network that improves paint flow and covering properties.
A chatbot tested with 338 individuals showed a 37% increase in positive views of vaccination and a 20% decrease in vaccine refusal after just a few minutes of interaction. The study suggests that the chatbot could be an effective tool to reduce vaccine hesitancy.
Scientists have shown that applying an electric field to the skin affects collagen pathways, temporarily reducing production and increasing degradation. This opens new therapeutic perspectives for the topical treatment of skin fibrosis characterized by excessive collagen deposition.
A study led by Ludovic Orlando found that modern domestic horses were first domesticated in the Pontic-Caspian steppes around 2000-2200 BC. The genetic profile of these horses spread rapidly across Eurasia, replacing other horse populations and facilitating their conquest of the region.
A new climate model challenges the idea that Venus ever had oceans, suggesting high surface temperatures and limited solar radiation prevented ocean formation. The research team found that clouds on night-side Venus would actually maintain high temperatures through a greenhouse effect, further supporting this conclusion.
A European map has been created to show the insulating effect of forests, which cool the air by 2.1°C in summer and keep temperatures 2°C higher than ambient air in winter. This finding highlights the crucial role of forests in regulating temperature and provides shelter for wildlife.
A new study published in Nature suggests that rainwater is not the primary deposition vector of oceanic mercury, but rather the ocean itself absorbs mercury through gas exchange. The research also indicates that the ocean receives less atmospheric mercury than previously estimated.
Researchers have successfully replicated the 'Zen stone' phenomenon, where stones are naturally placed atop pedestals of ice, shedding light on sublimation's influence. This process, which changes solid to gaseous form without a liquid intermediary, is revealed to shape natural structures in unique ways.
Research at CNRS reveals that compressed cell nuclei can lead to DNA damage and accelerated aging in healthy cells. In breast tumors, this damage enables tumor cells to invade neighboring tissues with increased risk of metastasis.
Researchers found that continents have always been rich in silica, contradicting previous models. Continental growth occurred in six major periods every 500-700 million years over the past 3.7 billion years.
An international team used the MUSE instrument to map a galactic wind and observe the formation of a nebula around a galaxy, revealing some of the Universe's missing baryons. This discovery confirms that 80–90% of normal matter is located outside of galaxies.
Seabirds are dying from starvation after being exposed to cyclones, which disrupt their ability to feed. The study found that birds can't fly in high winds and dive into stormy seas, leaving them without food sources.
Scientists analyzed two telecommuting strategies to slow Sars-CoV-2 spread; the 'rotating week-by-week' approach was most effective in controlling epidemics. By combining these strategies with health measures, local reproduction numbers can be effectively controlled.
Researchers have created an artificial neuron that uses ions instead of electrons for information transmission, achieving a similar energy efficiency as the human brain. The device's ion channels and clusters replicate those found in neurons, allowing for the emission of action potentials and transmission of information.
Researchers have successfully demonstrated a new type of qubit that stores information in the oscillation amplitude of carbon nanotubes. This innovation has the potential to improve reliability in quantum computation by reducing interaction with the environment. However, experimental verification is still pending.
A team of scientists found that Neanderthals intentionally applied red ochre pigment to the cave's flowstone formation, dating back 65,000 years. The analysis revealed variations in pigment composition corresponding to different dates of application, indicating a tradition passed down through generations.
Research reveals that biological invasions are threatening the evolutionary history and ecological strategies of birds and mammals. The study found that 11% of their phylogenetic diversity is at risk, with a greater impact on bird species due to their vulnerability to invasive species.
Researchers analyzed Neandertal and Denisovan genomes to identify blood groups, confirming their African origin and Eurasian dispersal. The study also found evidence of low genetic diversity and possible demographic fragility, shedding light on the disappearance of Neandertals.
The InSight mission has unveiled Mars' internal structure, revealing a large liquid core and an altered crust. The study analyzed seismic waves from over 600 Martian quakes, identifying discontinuities in the crust and determining the upper mantle's structure.
Researchers discovered Romanescos are buds that never reach flowering state, resulting in stems producing new buds rapidly, creating pyramidal appearance and fractal structure.
Dinosaurs were in decline 76 million years ago due to extinctions outpacing speciations, with herbivores being particularly affected. The asteroid impact may have been the final blow, triggered by a 7°C drop in global temperature and changes in oceanic circulation patterns.
The LIGO, Virgo, and KAGRA collaborations have detected gravitational waves from the merger of a black hole and a neutron star. Analysis reveals that the signals originated from two mixed binaries, each made up of a neutron star and a black hole, with masses consistent with these objects.
Physicist Jean Dalibard is recognized for his exceptional contributions to the dynamism and influence of French research, particularly in quantum technologies. He has made major contributions to the emergence of quantum technologies by developing sources for atoms cooled and trapped by light,.
A study by CNRS scientists proposes a balanced coexistence between agriculture and the environment. Implementing an organic, sustainable system involves changing diet, generalizing long crop rotation systems, and bringing together crops and livestock to reduce synthetic fertilizers and pesticides.