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Sandra Lavorel, winner of the 2023 CNRS Gold Medal, surrounded by the equipment in the Warm project, which is studying the effect of climate change on alpine grasslands.

Sandra Lavorel, winner of the 2023 CNRS Gold Medal, surrounded by the equipment in the Warm project, which is studying the effect of climate change on alpine grasslands.

© Hubert Raguet / LECA / CNRS Images

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Plus d'un an après sa mise à l'eau, BathyBot vient de s'éveiller au fond de la mer Méditerranée. Plongez aux côtés de ce robot téléopéré depuis la surface, le premier à être installé de façon permanente à 2400 mètres de profondeur pour au moins cinq ans. Accompagné d'un récif artificiel et d'une batterie d'instruments, BathyBot permettra d'étudier la biodiversité, la bioluminescence et les processus biogéochimiques des fonds marins. Imaginé scientifiquement par les équipes de…

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The decline of coral reefs around the world seems irreversible. However, scientists have not yet spoken their last word! In this report from French Polynesia, a team of researchers attempt to reverse this trend by helping coral adapt to climate change.

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Grâce à des expériences en IRM, des scientifiques explorent notre manière de raisonner. Dans ce film, découvrez comment leur travail pourrait aboutir à de nouveaux outils pédagogiques pour apprendre à discerner les vraies des fausses informations.

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Que se passe-t-il dans notre cerveau lorsque l'on sent une odeur ? La perte d'odorat, qui touchait déjà une personne sur cinq avant le Covid-19, est-elle réversible ? Peut-on créer un nez artificiel ? Venez suivre une équipe du Centre de recherche en neurosciences de Lyon (CNRL) qui s'intéresse aux étonnantes interactions entre le cerveau et l'odorat.

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Portraits de Céline Vallot et Pierre Nassoy, lauréats de la médaille de l'innovation 2022 du CNRS. Céline Vallot, une nouvelle piste contre le cancer Dans de nombreux cas de cancer, la progression tumorale et les processus de résistance ne peuvent être expliqués par des mutations de l'ADN. C'est pourquoi Céline Vallot se concentre avec son équipe sur les mécanismes non-génétiques, en particulier épigénétiques, qui peuvent expliquer l…

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Dans de nombreux cas de cancer, la progression tumorale et les processus de résistance ne peuvent être expliqués par des mutations de l'ADN. C'est pourquoi Céline Vallot se concentre avec son équipe sur les mécanismes non-génétiques, en particulier épigénétiques, qui peuvent expliquer l'adaptabilité des cellules cancéreuses. Elle est co-inventrice de deux familles de brevets et de deux logiciels, permettant une analyse interactive et rapide de données cellulaires par des personnes sans…

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Pour Pierre Nassoy, l'intéressant naît des rencontres. De disciplines d'abord : le directeur de recherche CNRS applique des approches de physico-chimie au vivant. De compétences ensuite : « Pour réussir un projet de valorisation, il faut une recherche porteuse mais aussi des volontés pour la développer. On ne fait rien seul. », assure-t-il. Au Laboratoire photonique numérique & nanosciences (CNRS/Institut d'optique Graduate School/Université de Bordeaux) à Talence, il s'intéresse aux thérapies…

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Dans ce tutoriel, Audrey Dussutour revient sur toutes les étapes de la réalisation d'un élevage de blob, de la récolte dans la nature à son endormissement, en passant par les étapes de croissance. NB : Ce tuto est surtout à destination des personnes souhaitant élever un blob à la maison en dehors du cadre de la recherche scientifique. Les participants à l'expérience de science participative "Derrière le blob, la recherche" doivent suivre le protocole qui leur a été envoyé.

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Une équipe de chercheurs embarque chaque année à bord du Marion Dufresne pour étudier des animaux peu connus : le macrozooplancton et le micronecton. Ces organismes de milieu de chaine alimentaire se composent de gélatineux, de crustacés et de poissons. Mais pour les étudier, il faut d'abord les repérer en pleine mer grâce à un instrument acoustique, un écho sondeur. Puis ils sont pêchés, triés par espèces et comptés. En les suivant d'année en année, les scientifiques peuvent mieux comprendre l…

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Longtemps on a cru que les personnes déficientes visuelles ne pouvaient se représenter l'espace. C'est heureusement faux. Mais cette capacité doit être développée dès le plus jeune âge. À Toulouse, des chercheurs travaillent avec l'Institut des jeunes aveugles au sein du laboratoire commun « Cherchons pour voir » pour mettre au point de nombreux dispositifs. À travers des jeux, tablettes ou autres maquettes, les enfants améliorent leurs représentations spatiales.

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Fondée il y a tout juste 150 ans, le 20 août 1872, la Station biologique de Roscoff fait toujours référence pour l'étude de la vie marine. Pour preuve, cette découverte majeure publiée fin juillet à la une de la revue Science : les scientifiques ont montré qu'un petit crustacé pouvait aider à la reproduction des algues, à l'image des abeilles qui pollinisent les fleurs. Cap sur la Bretagne pour découvrir les coulisses de ces travaux fascinants.

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Dans ce tout premier épisode de #VaSavoir, Maxime part à la rencontre des serpents avec Xavier Bonnet et son équipe du Centre d'études biologiques de Chizé (@CNRS/La Rochelle Université). Xavier Bonnet étudie les serpents depuis plus de 30 ans et est l'un des herpétologues français les plus reconnus. L'occasion rêvée de se demander s'il est bien raisonnable d'en avoir peur, mais aussi d'essayer de comprendre les mécanismes étranges de l'évolution et la nécessité de laisser de la place…

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Dyslexie, autisme ou maladies rares... D'où viennent les troubles du neurodéveloppement qui touchent de plus en plus d'enfants ? Ce reportage nous emmène à la rencontre de médecins et de scientifiques qui étudient la formation du cerveau avant la naissance à l'aide d'une technologie révolutionnaire : les organoïdes, des répliques miniatures simplifiées de nos organes, cultivées en laboratoire.

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It is a unique tool for studying corals and marine ecosystems. In this report, navigate the lagoons of French Polynesia aboard a scientific vessel, a ship-laboratory developed by scientists from the CRIOBE research centre, in Moorea.

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Les arbres sont comme nous : depuis quelques années, ils prennent un gros coup de chaud, et ça ne devrait pas s'arranger tout de suite... Alors pour comprendre quel impact le réchauffement climatique aura sur nos forêts et leurs écosystèmes, on vous emmène sur un site exceptionnel où des chercheurs et chercheuses soumettent des chênes méditerranéens à un petit coup de stress en simulant l'avenir de notre climat... Pour la bonne cause bien sûr !

A pandemic is a complex phenomenon, an invariant for humans in their environment. In fact, from the Neolithic era to the present day, from the cattle plague to Sars-Cov-2, the emergence of new infectious diseases is often the result of changes that humans force on their environment. The emergence of a global health crisis in 2020 is a real warning sign on the uses of life. In this documentary, discover how biologists, anthropologists, mathematicians and historians can help us learn…

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Antarctica is a hostile territory due to its isolation and extreme climatic conditions, but it is also a place of unique opportunities for research and has been a protected area reserved for scientific exploration since the Madrid Protocol was signed in 1991. This film presents the work of four researchers from various fields who went to Antarctica to conduct their research project: studying animal behaviour, observing the Earth's magnetic fields, collecting and analysing micrometeorites and…

Episode 3: It is definitely good to stop polluting more. But even better is cleaning up our planet! Researchers have developed technologies to create synthetic products that not only do not generate more pollution, but also remove existing pollution! Through phyto-restoration using plants, researchers are able to 'naturally' depollute waste water and soil, producing reusable compost with very little impact on the environment.

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"Imagine stepping into a virtual world, walking through an orchard. You want to pick an apple, and when you grab it, you can feel it in your hand, as if it were real. Transforming the world of virtual reality into a truly tactile experience is the aim of the research project carried out by the IRISA laboratory in the northwestern French town of Rennes. Claudio Pacchierotti and his colleagues are specialists in haptic technology, the science that studies touch. Their research is based on two…

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Birds are an increasingly rare sight in our cities. In this report, researchers from the Centre for Biological Studies of Chizé (CEBC) investigate the problems – noise, light, lack of food – that affect various species of birds in urban areas, and seek solutions to save them from extinction.

Faced with global warming, coral reefs are on the front line. As global temperatures rise, the coral bleaches and dies. This decline has an impact on its entire ecosystem. Coral reef researchers Serge Planes and Laetitia Hédouin explain why research at CRIOBE is crucial to saving the coral. This video was produced as part of the OneOceanScience campaign organised by Ifremer, CNRS and IRD. Scientists from 33 countries take part in this digital world tour and explain in a series of short…

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The Youtube channel Zeste de science explores all aspects of scientific research, proving that even the most complicated scientific facts can be explained in less than 5 minutes, and that even the most seemingly trivial events of everyday life, if thoroughly studied, can contribute to the biggest technological advances. Episode 30: A research team developed an experiment to study emotions in a particular species of fish, the convict cichlids. The females are trained to receive two boxes in…

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Community living doesn't just have perks! A team of international researchers is studying a tight nit colony of terrestrial squirrels in Canada. They are trying to understand the dynamics of their social group and its impact on the health of individuals.

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How do babies learn languages? A team of psycholinguists at Babylab is focused on how the structure of sentences is learned, how sounds in language are organised, and the effect on the cognitive development of children based on their social environment. In this film, discover the astonishing experimental protocols used to probe the brains of infants.

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How does the SARS-CoV-2 virus infect our cells? Can its complex replication mechanism be stopped? A team from the Architecture and Function of Biological Macromolecules laboratory in Marseille is focusing on this fundamental long-term research work, which is essential to gaining better knowledge of the coronavirus and the COVID-19 disease before it can be stopped.

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Episode 32: Even though confined, like all French people, the Zeste de Science team is mobilising to continue its mission of popularising science (and entertainment!) in this particularly difficult period for our loyal subscribers. In this special video produced in accordance with the confinement measures, we talk about small, greedy Canadian squirrels that have a lot to teach us about the health effects of living in a community. Aggression, stress, isolation: sometimes hell is other people,…

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Episode 35: How an Australian ant optimises its journey time with visual indicators to minimise risk when leaving the nest. Let's go on an obstacle course full of surprises!

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Welcome to Cybathlon, a competition for people with disabilities equipped with active and robotic technology. In this report, follow the preparations of former Paralympic athlete Christophe Huchet, leader of the French delegation, who will be fitted with a specially-designed motorised prosthetic arm.

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SideROS, the start-up that crosses swords with cancer. Based on the work of Raphaël Rodriguez, research director at the CNRS, the start-up SideROS is developing new anti-cancer strategies that target the iron content in stem cells that are resistant to treatment. "These resistant cancer cells contain more iron and are more metabolically active than others. So we decided to attack them from that angle." explains Raphaël Rodriguez…

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Sophie Brouard étudie le système immunitaire afin de lutter contre les rejets de greffe et les maladies auto-immunes. Après une greffe, les patients sont soumis à vie à un lourd traitement pour empêcher les rejets. « Quelques-uns arrêtent parfois de prendre leurs médicaments, pour des raisons diverses, sans pour autant rejeter leur greffon », constate Sophie Brouard, directrice de recherche au Centre de recherche en transplantation et immunologie (CRTI). Un phénomène qui l'a poussée à…

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Concepteur de cellules artificielles, Franck Molina reprogramme le vivant pour des applications de diagnostic. Il obtient ainsi des détecteurs rapides, bon marché, qui changent de couleur en présence de certains biomarqueurs. Ses travaux ont fait l'objet de nombreux transferts industriels. Directeur de recherche CNRS au laboratoire Modélisation et ingénierie des systèmes complexes biologiques pour le diagnostic (Sys2Diag), qu'il dirige, Franck Molina est un…

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Sophie Brouard, Daniel Hissel, Arnaud Landragin and Franck Molina are the CNRS 2020 Innovation Medallists. Since 2011, the CNRS Innovation Medal rewards figures whose exceptional research work has led to groundbreaking innovation in the technological, economic, therapeutic, and social fields. The career paths of the four CNRS 2020 Innovation medallists illustrate the quality, variety, and wealth of research conducted at the CNRS, as well as the different ways of…

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L'Institut européen de chimie et de biologie de Bordeaux et l'Institut national de la recherche agronomique (INRA) s'associent pour étudier, comprendre et prévenir le dépérissement de la vigne, grand fléau des vignerons. Pour tenter de comprendre le phénomène, les chercheurs utilisent un spectroscope RMN, afin d'identifier les molécules et polymères présents dans un échantillon de cep contaminé et de dresser une carte d'identité des molécules liées au dépérissement. En parallèle de l'analyse…

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The battle of Marignano in 1515 is one of the most famous episodes of the Italian wars. What is not well known is that to get to the battlefield, Francis I of France ordered his 40,000 men to cross the Alps in armour, so that they would be ready and equipped in case of an enemy attack. Historians, biomechanists and 3D imaging specialists from the CNRS have joined forces to reproduce this extraordinary journey. For example, researchers dressed in armour that is similar to that worn in the 16th…

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A new scientific project launched by the Tara Oceans Foundation has embarked on the schooner TARA to sail the nine largest European rivers, in order to follow the route plastic takes before it transforms into microplastic. The scientists are using a manta net, which allows them to take samples from the surface of the water due to the small mesh size, and capture microplastics in the open sea, on the coast or in rivers. The aim is to determine the types of plastic contained in European rivers…

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Portrait de Patrick Durand, lauréat de la Médaille de Cristal 2019 du CNRS. Ingénieur de recherche en biologie dans l'équipe Santé : écologie et évolution au sein du laboratoire Mivegec (DR13) et responsable logistique du laboratoire sur le site La Valette.

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Portrait de Nicolas Galtier, lauréat de la Médaille d'Argent 2019 du CNRS. Chercheur en biologie évolutive à l'Institut des sciences de l'évolution (DR13), spécialisé dans l'évolution des génomes via les modèles de la génétique des populations et de la phylogénie.

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In Grenoble, researchers focus on hypoxia, i.e. the lack of oxygen in the blood that can occur at altitude and its consequences on the body. A first study was carried out in France at various altitudes on subjects living in the plains. Then a multidisciplinary mission, Expedition 5300, focused on subjects living permanently at very high altitudes. The mission carried out a study in several cities in Peru, including Lima and La Rinconada, the highest city in the world, where a significant…

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Bio Inspir' studies the depolluting qualities of certain land and aquatic plants. This start-up is especially interested in water mint, a small plant native to the southern French Occitanie region that has exceptional capacities for purifying water containing metallic and organic elements. Used in the form of a powder or alive, this plant can purify contaminated water directly at industrial sites. #BioInspir' finds industrial applications for the research conducted by the laboratoire de Chimie…

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Puits de Science, la série YouTube du CNRS, présentée par un René Descartes et un Charles Darwin en deux dimensions, apporte des éléments de réponse à des questions scientifiques grand public. Pour ce faire, nos deux présentateurs interrogent des chercheurs directement par Skype et invitent à l'occasion d'autres figures historiques de la science. Épisode 3 : Comment expliquer la différence de morphologie des êtres vivants ? Les sciences de la vie ne sont plus les seules à…

After an accident that left him quadriplegic, the physicist Vance Bergeron decided to devote his research to functional electrical stimulation with the help of his former doctoral student Amine Metani. It is based on a technology that uses electromagnetic fields to stimulate specific areas of muscles. The two researchers jointly created the start-up company Circles which develops innovative solutions to make it possible for people with disabilities to resume a sporting activity. They designed…

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The Youtube channel Zeste de science explores all aspects of scientific research, proving that even the most complicated scientific facts can be explained in less than 5 minutes, and that even the most seemingly trivial events of everyday life, if thoroughly studied, can contribute to the biggest technological advances. Episode 27: What was our planet like more than 2 billion years ago? The way we envision our planet in the past tends to change with scientific discoveries and advances…

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On the occasion of the 2019 CNRS innovation medal award, we look back at the career of physics researcher, Vance Bergeron. He holds a PhD in chemistry from the University of California, Berkeley. After several years at Rhône-Poulenc, he joined the CNRS in 2000. Vance Bergeron then began developing biological air decontamination systems using cold plasmas. He participated in the creation of the company Airinspace, where he became the scientific advisor, which equips oncology, haematology and…

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The queen termite can lay some 40,000 eggs every day for 40 years. So what is her secret? A team of researchers from France and South Africa is trying to recreate a termite's nest in the lab to understand this incredible longevity.

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The Youtube channel Zeste de science explores all aspects of scientific research, proving that even the most complicated scientific facts can be explained in less than 5 minutes, and that even the most seemingly trivial events of everyday life, if thoroughly studied, can contribute to the biggest technological advances. Episode 23: A team of researchers compared the physical features of a population of Caribbean lizards before and after the passage of…

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For amputees, controlling a robotic prosthesis is far from a perfect solution. It can take months of training before they can perform basic day-to-day operations. In France, a team of researchers, engineers and medical doctors are developing a more natural method for controlling such a prosthesis using a phenomenon known as phantom limb sensation.

On the occasion of her CNRS innovation medal awarded by the in 2018, Valérie Castellani, a specialist in developmental biology at the NeuroMyoGene Institute, discusses her journey. She conducts fundamental research on the development of the nervous system, with her team. She works on neuroblastoma, a paediatric cancer of the peripheral nervous system. Her approach was to study this cancer from a developmental biology angle. This has led to the development of a new tumour…

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Forty-five million years ago, cetaceans lived on land. Adapting to the marine element over the centuries, they have nevertheless kept from their distant past certain behavioural, physiological and sensory abilities that differentiate them from other aquatic species. Off the coast of Spain, a team of researchers is studying a group of pilot whales to demonstrate that these animals have a sense of taste and smell and use them every day to communicate and feed. The outcome of this work would…

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Can human development continue at this pace without causing a loss of biodiversity? A group of researchers at the French Institute of Pondicherry believes so. By studying the impact of human activities on a biological hotspot in the South of India, they hope to find the key to a harmonious coexistence between humans and wildlife.

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Forty-five million years ago, cetaceans lived on land. Adapting to the marine element over the centuries, they have nevertheless kept from their distant past certain behavioural, physiological and sensory abilities that differentiate them from other aquatic species. Off the coast of Spain, a team of researchers is studying a group of pilot whales to demonstrate that these animals have a sense of taste and smell and use them every day to communicate and feed. The outcome of this work would…

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