Researchers have discovered that a thermosensing protein complex regulates plant growth and flowering in response to temperature changes. The study found that ELF3 protein plays a crucial role in this process, preventing the complex from repressing plant genes when temperatures rise.
SourceCNRS·JournalProceedings of the National Academy of Sciences·DateMar 23, 2020
At 8 months, babies demonstrate a grasp of grammatical concepts in French, recognizing function words such as articles and prepositions. They exhibit limited interest in new functors, suggesting an innate understanding of their mother tongue's linguistic structure.
Scientists at CNRS have discovered that triglycerides interact with certain neurons in the brain's reward circuit, reducing their excitability and strengthening reward-seeking behavior. The study also found a correlation between blood triglyceride levels and brain activity in response to food odors.
Researchers found that captive wild boars developed greater muscle force than their natural counterparts, transforming them into 'bodybuilders'. This study provides a new methodology for archaeologists to analyze domestication processes and could aid in reintroducing captive-bred animals into the wild.
Researchers have identified a link between L-serine and memory problems in Alzheimer's disease. Supplying this amino acid as a nutritional supplement restored spatial memory affected early in mouse models.
A new study published in Cell Reports reveals that astrocytes in the brain change form after a balanced meal, triggering the feeling of satiety. The study found that this plasticity could be altered for obese subjects, potentially leading to new treatments for weight management.
Perturbation of gut microbiota by influenza virus promotes secondary bacterial superinfection in mice. Treatment with acetate corrects this sensitivity.
Researchers found that 35% of organic particles sink to depths due to fragmentation, regulating the oceans' capacity to sequester CO2. The discovery helps explain what happens to half of the particle flux that sinks to depths, previously unknown.
Researchers equipped albatrosses with loggers to monitor over 47 million km2 of the Southern Ocean, finding over 1/3 of boats without AIS were unidentifiable. The Ocean Sentinel project aims to promote independent data collection for conservation through animal innovation.
SourceCNRS·JournalProceedings of the National Academy of Sciences·DateJan 27, 2020
The white lupin genome has been fully sequenced, revealing its potential for high-protein seeds and efficient phosphate solubilization. The discovery could help increase lupin's role in future plant-based protein production and address phosphate depletion.
Researchers have analyzed the polychromy of the Pachacamac idol using non-invasive techniques, revealing that red is not blood but mercury from cinnabar. The study also confirms the idol's age as around 731 AD, with local ritual importance before Inca rule.
Researchers found large atmospheric pockets of water vapour at an altitude of over 80 km, accumulating in unexpected proportions. The capacity for water to escape increases during certain seasons due to the observed supersaturation rates.
Research shows that children aged 3-6 consider dominant individuals to be boys, with a power-masculinity association observed in both boys and girls. However, in some situations, particularly when considering power relations with the opposite gender, girls do not significantly identify with the dominant character.
Scientists provided reliable regional estimates of land subsidence and water-level rise in the Ganges-Brahmaputra-Meghna delta, projecting 85-140cm rise by 2100. The delta's 200 million inhabitants face significant flooding risks due to climate change, intense monsoon rainfall, rising sea levels, and land subsidence.
SourceCNRS·JournalProceedings of the National Academy of Sciences·DateJan 6, 2020
French researchers combine optical and electronic microscopy to observe axonal rings at the molecular scale. They discover that these rings are formed by long braided actin filaments, providing new understanding of axonal architecture.
Scientists have successfully detected seismic waves using submarine telecommunications cables, which can also detect earthquakes, swell, and underwater noise. The researchers deployed a 41 km-long cable to retrieve data from an underwater observatory, converting it into over 6000 seismic sensors.
Researchers found gold nanoparticles undergo significant transformations after a few weeks in cellular environments. They revealed mechanisms of detoxification and cell protection, also seen in the degradation of other nanomaterials.
SourceCNRS·JournalProceedings of the National Academy of Sciences·DateDec 16, 2019
Researchers challenge the theory of a descended larynx, which proposes that speech can only emerge with the larynx in a low position. However, monkeys produce well-differentiated proto-vowels, suggesting control of articulators is key to vocalization. This finding opens up new perspectives on the emergence of articulated speech.
An international team of scientists found that adopting the Paris Agreement's emission reduction scenario would significantly limit global productivity losses for both fishing and agriculture. In contrast, a no-action scenario would lead to significant declines in productivity for most countries.
Researchers detected imidacloprid residues in 48% of rape fields, posing a non-negligible risk to pollinating bees. Persistent use of neonicotinoids with certain crops threatens bee populations, highlighting the need for reinforcement of pesticide controls.
Researchers from CNRS disprove theory that Corneille wrote Molière's plays using authorship attribution techniques. Their study finds significant differences in writing habits and speech mannerism between Molière and other authors of the time.
Researchers observed four generations of clown fish in Papua New Guinea's Kimbe Island lagoons to find no genetic variation for reproductive success. Environmental conditions, particularly sea anemones, play a vital role in clown fish survival and population replenishment.
Research studies reveal that planktonic species diversity and functions change significantly according to latitude, with a peak around the equator and a decline towards the poles. These findings have strong ecological, environmental, and economic implications for ocean health and sustainability.
Birch bark tar was the world's oldest glue, used in the Palaeolithic Period and up to late antiquity, according to recent research. Archaeological artefacts suggest it was procured despite birch scarcity, highlighting the strength of traditional practices among the Gauls.
A team of scientists predicts that emperor penguin colonies will decline drastically due to global warming, with 5-6°C temperature increase leading to near-total collapse. Climate models show that sea ice melting will deprive the birds of habitat and food sources, threatening their survival.
Researchers discovered eight SDHI pesticide molecules harming earthworms, bees, and human cells by blocking succinate dehydrogenase activity. The study found these pesticides induce oxidative stress in human cells, leading to cell death, threatening human health.
A thin layer of liquid water, much thinner than expected, is found to reduce friction on ice, with complex viscoelastic properties. This film's unusual behavior contradicts existing theories and offers new insights into ice gliding and winter sports.
A team of scientists found that two-thirds of the Earth's surface moves faster than the underlying mantle, with the surface dragging the interior. The study suggests that the balance of forces changes over geological time, especially for continents.
Research finds that delta waves during sleep selectively activate specific neuron assemblies involved in long-term memory formation. These assemblies code information and send crucial signals between the hippocampus and cortex, allowing memories to stabilize.
Researchers studied fossilized Moroccan Ampyx trilobites and found evidence of orderly lines during storms, suggesting ancient group behavior. This discovery implies that group behavior may have conferred an evolutionary advantage on early animals, allowing them to survive environmental stress.
A stretchable and flexible biofuel cell has been developed to power wearable electronics using human sweat. The device continuously lights an LED and opens avenues for the development of reliable and efficient energy sources. Researchers are now seeking to amplify the voltage provided by the biofuel cell to power larger portable devices.
Emissions of volatile organic pollutants in West Africa far exceed current estimates, with road traffic, waste combustion, and domestic fires contributing significantly. The study emphasizes the importance of setting up more accurate regional emission inventories to predict health and climate impacts.
Researchers found that two Sphagnum species in the Le Forbonnet peatland can survive extreme temperatures and droughts. This suggests that preserving peatlands is crucial for mitigating climate change.
Three innovative minds received the 2019 CNRS innovation medallist award for their groundbreaking work in reducing satellite size and propulsion units. Ane Aanesland and Dmytro Rafalskyi developed new propellant technologies, while Vance Bergeron created electrostimulation solutions to improve paralysis rehabilitation. Livio de Luca pi...
A research team studied 593 gorillas over a decade, finding females migrate to healthier groups to avoid transmission of yaws, a contagious skin disease. The scientists discovered that females can detect one symptom of the disease: disfigurement.
Researchers created a virtual 300,000-year-old fossil skull with relatively modern features, similar to some fossils only 100,000 years old. The study suggests that the species Homo sapiens arose through hybridization of South and East African populations, contradicting previous theories.
A study of over 1,000 children found that those with an elder brother had a two-month delay in language development compared to those without an elder sibling. Elder sisters, on the other hand, did not seem to have a negative impact on their younger siblings' language skills.
Researchers found that human languages convey information at a rate of roughly 39 bits per second, regardless of speech speed. The study compared 17 languages and measured speech rate and information density, showing that higher speech rates are matched by lower information densities.
A team of scientists analyzed a newly found phalanx fragment from Denisova Cave, revealing that it shares structural similarities with anatomically modern humans and is less like Neanderthals. The researchers believe this 'third' human group has a unique morphological mosaic.
Scientists at CNRS have created polymers that can change information stored on a molecular level using specific wavelengths of light. This technology allows for the storage and decoding of secret messages, with potential applications in designing new materials.
A study by CNRS scientists reveals implicit gender stereotypes among male and female researchers, which can lead to women being denied promotions. The findings suggest that awareness of these biases is crucial for promoting equality in the scientific community.
A CNRS research team found that a sequence of reflexive contractions drives embryonic development, accelerating it by up to 20 times. By artificially recreating this process and applying low-intensity electrical shocks, the scientists triggered hindlimb formation.
A team of astronomers has discovered a second giant planet, β Pictoris c, in the Beta Pictoris system. The exoplanet has a mass nine times that of Jupiter and completes its orbit in approximately 1,200 days. This detection marks the first time a planet has been found around a star like β Pictoris using the radial velocity method.
Researchers discovered a link between cochlear shape and sex, enabling reliable sex determination from ancient remains. This breakthrough technique uses the cochlea's unique spiral shape to identify male and female individuals, including children and cases with DNA degradation.
Researchers studied Japanese macaques to investigate the link between female coloration and attractiveness. Contrary to previous assumptions, dominant female macaques with darker hindquarters were found to have greater reproductive success.
Scientists have identified a marine bacterium that can break down the polysaccharide ulvan from sea lettuce into fermentable monosaccharides. This discovery opens up new possibilities for biotechnological exploitation of ulvan, particularly in the agrifood and cosmetics industries.
Thomas Ebbesen, a renowned physical chemist, has been awarded the prestigious CNRS Gold Medal for his groundbreaking work in nanosciences. His research has enabled technological breakthroughs in optoelectronics and biosensors, and he is recognized for his pioneering discoveries in carbon materials and molecular systems.
Prehistoric abstract patterns are processed by brain areas recognizing objects and activating language processing regions. The findings support the hypothesis that ancestors linked tracings to symbols, possibly with symbolic meaning.
Research conducted by the CNRS found that organic farming boosts honeybee colonies with 37% more brood, 20% more adult bees, and 53% greater honey production. This may be due to a wider diversity of pollen resources or lower pesticide mortality.
Researchers found that Mimas' migration into the Cassini Division pushed apart ice particles, creating the 4500 km wide band. The moon's orbit may have been driven by orbital resonance with Saturn, causing it to lose energy and migrate inwards.
SourceCNRS·JournalMonthly Notices of the Royal Astronomical Society·DateJun 11, 2019