Frédéric BOURIGAULT
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Articles by Frédéric BOURIGAULT
Telescópio espacial Euclid cria as bases para cartografar o universo
Mundo Notícia Usada para todas matérias e reportagens que retratem fatos ou descrevam situações. Matéria baseada em fatos observados e verificados pelo repórter com fontes diversas. Notícias não possuem a opinião do repórter. Quando há análise, deve haver as duas definições: notícia e análise.
El telescopio espacial Euclid sienta las bases para cartografiar el universo
El telescopio espacial Euclid presentó el jueves sus primeros datos, con imágenes de 900 millones de galaxias obtenidas tras 13 meses de observaciones. Este avance marca el inicio de un ambicioso proyecto para cartografiar el universo y sentar las bases de futuras investigaciones científicas.
Euclid pose les fondations d'une cartographie de l'Univers
900 millions de galaxies en un coup d'œil: le télescope spatial Euclid a dévoilé jeudi ses premières données, issues de 13 mois de collecte, un premier pas pour cartographier l'Univers et nourrir la recherche pour de nombreuses années. "Si on voulait parcourir une à une les images des galaxies qu'on y voit, il ne suffirait pas d'une vie humaine", s'enthousiasme auprès de l'AFP Marc Sauvage, astrophysicien au CEA et responsable du consortium Euclid.
Sur Mars, des volcans endormis et une porte ouverte vers la vie
Image fournie le 14 février 2021 par l'Agence spatiale des Émirats arabes unis (UAESA), prise par l'instrument "Emirates eXploration Imager" (EXI) après l'insertion en orbite martienne (MOI) dans le cadre de la première mission émiratie vers Mars (EMM), depuis une altitude de 24 700 km au-dessus de la surface de la planète — montrant Olympus Mons, le plus haut volcan de Mars, ainsi que les Tharsis Montes, trois volcans nommés (de haut en bas) Ascraeus Mons, Pavonis Mons et Arsia Mons (-) Mars...
Sur Mars, des volcans endormis et une porte ouverte vers la vie
"Le volcanisme sur Mars a commencé il y a 4,5 milliards d'années et on observe, en datant les laves, que le taux d'éruption diminue beaucoup depuis deux milliards d'années, même si les plus récentes ont quelques dizaines de millions d'années", explique à l'AFP Daniel Mège, co-auteur principal d'un article paru jeudi dans Sciences Advances. Mars s'endormirait donc, volcaniquement parlant ?
Acte III de la colère sociale: les cortèges défilent à distance des centres
"Macron a mis les revendications sociales à la périphérie de son mandat", résume Adèle Tellez de la CGT Paris, alors que débute la manifestation parisienne, cantonnée dans l'est de la capitale après une dernière décision du Conseil d'Etat samedi matin. L'Union syndicale lycéenne et l'Union étudiante ont appelé à bloquer les lycées et les universités mardi et jeudi, alors que se tiendra également jeudi 5 novembre la journée d'appel intersyndical à la grève et aux manifestations nationales.
Acte III de la colère sociale : les cortèges se sont élancés à distance des centres
"Macron a mis les revendications sociales à la périphérie de son mandat", résume Adèle Tellez de la CGT Paris, alors que débute la manifestation parisienne, cantonnée dans l'est de la capitale après une dernière décision du Conseil d'Etat samedi matin. L'Union syndicale lycéenne et l'Union étudiante ont appelé à bloquer les lycées et les universités mardi et jeudi, alors que se tiendra également jeudi 5 novembre la journée d'appel intersyndical à la grève et aux manifestations nationales.
AI challenges maths by solving the unsolvable
PARIS: Announcements over recent months that artificial intelligence (AI) models have cracked previously unsolvable problems are shaking to the core top-level mathematicians, who are now asking themselves: where do we come in? "All the avenues of research I had are now gone; we're facing a new day," Hugo Duminil-Copin, winner of the 2022 Fields Medal, one of the highest honours in mathematics, recently told his colleagues at the French Mathematical Society.
AI challenges math by solving the unsolvable
This article has been reviewed according to Science X's editorial process and policies. Editors have highlighted the following attributes while ensuring the content's credibility: fact-checked reputable news agency proofread Advances in AI have seen some of the toughest problems in math cracked, but mathematicians insist they still have a role to play.
AI challenges maths by solving the unsolvable
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Un vendredi de blocage des lycées sous haute tension en France, 400 établissements fermés
Quatre cents lycées fermés par les autorités, de nombreux cours à distance : le blocage des lycées se poursuit vendredi en France pour dénoncer le manque de moyens et d’enseignants, au lendemain d’une journée marquée par de nombreuses violences. Le mouvement, qui a touché plus d’un quart des lycées français et une trentaine d’universités, s’est enflammé la veille dans de nombreuses villes, le gouvernement condamnant des « violences urbaines » et en imputant la faute à la gauche radicale.
New rallies urged in France as protests disrupt over 730 schools
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Hundreds of French high schools shut as new violence erupts
PARIS - French high school students lit fires outside schools and faced off with police on Friday as a protest movement that has forced the closure of some 400 establishments showed no sign of abating. The movement, which began last week in the Paris region and rapidly spread nationwide, has seen teenage pupils at lycees in their final years of schooling block access to buildings and clash with police.
New clashes erupt as protests disrupt over 560 French schools
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Hundreds of French high schools shut as new violence erupts
French high school students lit fires outside schools and faced off with police on Friday as a protest movement that has forced the closure of some 400 establishments showed no sign of abating. The movement, which began last week in the Paris region and rapidly spread nationwide, has seen teenage pupils at lycees in their final years of schooling block access to buildings and clash with police.
Cinco fatos sobre os eclipses solares
Estes são cinco aspectos sobre o eclipse solar desta quarta-feira (12), que será total em parte da Espanha: - O que é um eclipse total do sol? Um eclipse solar ocorre quando "a Lua se interpõe exatamente entre a Terra e o Sol, projetando sua sombra sobre uma faixa estreita da superfície terrestre", explica a Associação Francesa de Astronomia (AFA).
Eclipse total dá aos cientistas chance de investigar mistérios do Sol
Cientistas planejam aproveitar o eclipse solar total desta quarta-feira (12) como uma rara oportunidade para aprender mais sobre a natureza turbulenta e imprevisível da nossa estrela. Quando a Lua encobrir o Sol em 12 de agosto, equipes de pesquisadores entrarão em ação para estudar seu campo magnético, sua atmosfera e seu clima extremo, que às vezes provoca transtornos aqui na Terra. Há uma longa tradição de utilizar eclipses para alcançar avanços científicos.
What to know about the total solar eclipse
Day will briefly turn into night across a swathe of northern Spain on Wednesday, when the Moon will completely cover the Sun during a rare total solar eclipse. Here is what you need to know about the total eclipse, which is the first visible in mainland Europe since 2006. Eclipses happen when the Moon passes directly between the Sun and Earth, casting a narrow band of shadow across our planet.
Les éclipses, une opportunité lumineuse pour les scientifiques
Champ magnétique du Soleil, couronne solaire, vent solaire: les champs d'études sont multiples à chaque éclipse. En 1919, son observation est restée dans l'histoire: cette année-là, le 29 mai, Arthur Eddington, positionné sur l'île de Principe, avait pu confirmer la théorie de la relativité générale d'Einstein, en observant l'effet de la lentille gravitationnelle sur les étoiles visibles à l'instant précis où la lumière éblouissante du Soleil était masquée.
Eclipse total dá aos cientistas chance de investigar mistérios do Sol
Cientistas planejam aproveitar o eclipse solar total que poderá ser visto na Espanha na próxima semana como uma rara oportunidade para aprender mais sobre a natureza turbulenta e imprevisível da nossa estrela. Quando a Lua encobrir o Sol em 12 de agosto, equipes de pesquisadores entrarão em ação para estudar seu campo magnético, sua atmosfera e seu clima extremo, que às vezes provoca transtornos aqui na Terra. Há uma longa tradição de utilizar eclipses para alcançar avanços científicos.
Eclipse total dá aos cientistas chance de investigar mistérios do Sol
Cientistas planejam aproveitar o eclipse solar total que poderá ser visto na Espanha na próxima semana como uma rara oportunidade para aprender mais sobre a natureza turbulenta e imprevisível da nossa estrela. Quando a Lua encobrir o Sol em 12 de agosto, equipes de pesquisadores entrarão em ação para estudar seu campo magnético, sua atmosfera e seu clima extremo, que às vezes provoca transtornos aqui na Terra. Há uma longa tradição de utilizar eclipses para alcançar avanços científicos.
Cinco fatos sobre os eclipses solares
Estes são cinco aspectos sobre o eclipse solar de 12 de agosto, que será total em parte da Espanha: - O que é um eclipse total do sol? Um eclipse solar ocorre quando "a Lua se interpõe exatamente entre a Terra e o Sol, projetando sua sombra sobre uma faixa estreita da superfície terrestre", explica a Associação Francesa de Astronomia (AFA).
Cinco fatos sobre os eclipses solares
Estes são cinco aspectos sobre o eclipse solar de 12 de agosto, que será total em parte da Espanha: - O que é um eclipse total do sol? Um eclipse solar ocorre quando "a Lua se interpõe exatamente entre a Terra e o Sol, projetando sua sombra sobre uma faixa estreita da superfície terrestre", explica a Associação Francesa de Astronomia (AFA).
What to know about the total solar eclipse on August 12
Day will briefly turn into night across a swathe of northern Spain on August 12, when the Moon will completely cover the Sun during a rare total solar eclipse. Here is what you need to know about the total eclipse, which is the first visible in mainland Europe since 2006. What is an eclipse? Eclipses happen when the Moon passes directly between the Sun and Earth, casting a narrow band of shadow across our planet.
Total eclipse gives scientists chance to probe Sun's mysteries
Scientists plan to use a total solar eclipse that will be visible in Spain next week as a rare chance to learn more about the stormy, unpredictable nature of our star. When the Moon blots out the Sun on August 12, teams will leap into action studying its magnetic field, atmosphere and furious weather that sometimes causes disruptions back here on Earth. There is a long history of using eclipses to make scientific breakthroughs.
What are 'fire clouds', the ominous phenomenon seen in France?
Firefighters in southwest France are struggling to bring a forest inferno under control before yet another heatwave descends on the country. Firefighters battling devastating fires in France have had to contend with a new threat: immense fire clouds that create their own wind and even lightning that can spark fresh blazes. Known as "fire clouds" or pyrocumulonimbus clouds, these ominous-looking thunderstorms are created by extreme wildfires and can exacerbate already dangerous conditions.
What are 'fire clouds', the ominous phenomenon seen in France?
Firefighters battling devastating fires in France have had to contend with a new threat: immense fire clouds that create their own wind and even lightning that can spark fresh blazes. Known as "fire clouds" or pyrocumulonimbus clouds, these ominous-looking thunderstorms are created by extreme wildfires and can exacerbate already extremely dangerous conditions.
Fields medal awarded to four young mathematicians
The Fields medal, known as the Nobel prize of mathematics, was awarded Thursday to four people -- two Chinese citizens, one American and one Canadian. The honor -- a recognition of outstanding discoveries by researchers under the age of 40 that is bestowed by the International Mathematical Union -- comprises 15,000 Canadian dollars (USD $17,000) and a gold medallion bearing the likeness of Archimedes.
'Their story is our story': Pigeons and humans, 3,500 years together
Friend or pest? Humans domesticated pigeons to live alongside us, but now consider them filthy nuisances. They have been our meat and our messengers, a source of fertilizer and a religious symbol: while pigeons are now mostly reviled as dirty city pests, they long played an important role in human society.
Cinq choses à savoir sur les éclipses solaires
13 hours ago De nouvelles frappes américaines en Iran relèguent au second plan la clôture du sommet de l’OTAN, marqué par des engagements records en matière de défense. Au programme : défis migratoires de l’UE, trafic de préservatifs contrefaits et quarts de finale du Mondial-2026. Au programme aujourd’hui : La …
What to know about the total solar eclipse due in August
People in Spain will be treated to a rare total solar eclipse on August 12. Day will briefly turn into night across a swath of northern Spain on Aug. 12, when the moon will completely cover the sun during a rare total solar eclipse. Here is what you need to know about the total eclipse, the first visible in mainland Europe since 2006. What is an eclipse? Eclipses happen when the moon passes directly between the sun and Earth, casting a narrow band of shadow across our planet.
What to know about the total solar eclipse due in August
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Milky Way's Heart Shines Like a Diamond in Record-Breaking New Photos
The Euclid space telescope has captured the largest and most detailed photo ever taken of our galaxy's crowded heart, a dazzling image packed with 60 million stars, the European Space Agency said Wednesday. The new photo of the Milky Way's bright centre will help in the search for planets beyond our Solar System, the agency added.
Euclid telescope snaps best photo yet of Milky Way's heart
Photo credit:AFP / HANDOUT / EUROPEAN SPACE AGENCY By Frédéric Bourigault, AFP The Euclid space telescope has captured the largest and most detailed photo ever taken of our galaxy's crowded heart, a dazzling image packed with 60 million stars, the European Space Agency says. The new photo of the Milky Way's bright centre will help in the search for planets beyond our Solar System, the agency added.
Euclid telescope snaps best photo yet of Milky Way's heart
An image of the bright heart of the Milky Way taken by Europe's Euclid space telescope. /EUROPEAN SPACE AGENCY/AFP The Euclid space telescope has captured the largest and most detailed photo ever taken of our galaxy’s crowded heart, a dazzling image packed with 60 million stars, the European Space Agency said Wednesday. Sign In or Create an Account The new photo of the Milky Way’s bright centre will help in the search for planets beyond our Solar System, the agency added.
Euclid telescope snaps best photo yet of Milky Way's heart
The new photo of the Milky Way's bright centre will help in the search for planets beyond our Solar System Author of the article: AFP by Frédéric BOURIGAULT Published Jun 24, 2026 • 2 minute read An image of the bright heart of the Milky Way taken by Europe's Euclid space telescope.
Qui n’a jamais rêvé de trouver un Van Gogh oublié dans un vieux grenier? L’œuvre du peintre au tamis des sciences
La Genevoise Sophie Wietlisbach, dessinatrice de caractères née en 1993 et dont l’atelier se trouve à la Maison Noctua, à Fribourg, figure parmi les lauréats des Prix suisses d’art et de design.
'He's tiny! It's blue!': Scientists find new deep-sea octopus
ASIA (AFP): On the ocean floor near the Galapagos Islands, a submersible controlled by scientists came across a mysterious octopus as blue as the ocean and no bigger than a golf ball. "He's tiny! It's blue!" one excited scientist was recorded as saying when she first caught sight of the cerulean cephalopod on footage transmitted from the sub.
Comment des chercheurs ont découvert un nouveau poulpe gros comme une balle de golf
En patrouillant dans les eaux profondes des îles Galápagos, des chercheurs ont rencontré un nouveau poulpe, bleu comme l’océan et pas plus gros qu’une balle de golf, une découverte qui permet d’enrichir la connaissance de cet animal étonnant. « Il est petit ! Il est bleu ! » : dans la radio qui retransmet leurs commentaires, les scientifiques de la Charles Darwin Foundation, qui contrôlent à distance un sous-marin muni d’une caméra, ne cachent pas leur excitation.
Azul e pequeno como uma bola de golfe: o novo polvo descoberto em Galápagos
Patrulhando nas águas profundas das Ilhas Galápagos, uma equipe de pesquisadores encontrou um novo polvo, azul como o oceano, mas tão pequeno quanto uma bola de golfe; uma descoberta que ampliará os conhecimentos sobre esse animal impressionante. "É pequeno! É azul!": cientistas da Charles Darwin Foundation (CDF), que controlam à distância um submarino equipado com uma câmera, não escondem sua emoção no rádio que retransmite seus comentários.
Azul e pequeno como uma bola de golfe: o novo polvo descoberto em Galápagos
Patrulhando nas águas profundas das Ilhas Galápagos, uma equipe de pesquisadores encontrou um novo polvo, azul como o oceano, mas tão pequeno quanto uma bola de golfe; uma descoberta que ampliará os conhecimentos sobre esse animal impressionante. "É pequeno! É azul!": cientistas da Charles Darwin Foundation (CDF), que controlam à distância um submarino equipado com uma câmera, não escondem sua emoção no rádio que retransmite seus comentários.
'He's tiny! It's blue!': Scientists find new deep-sea octopus
'He's tiny! It's blue!' one excited scientist was recorded as saying when she first caught sight of the creature (Handout) (Handout/Charles Darwin Foundation/AFP) On the ocean floor near the Galapagos Islands, a submersible controlled by scientists came across a mysterious octopus as blue as the ocean and no bigger than a golf ball. "He's tiny! It's blue!" one excited scientist was recorded as saying when she first caught sight of the cerulean cephalopod on footage transmitted from the sub.
'Their story is our story': Pigeons and humans, 3,500 years together
Some people still like pigeons, feeding them in parks (Pierre GUILLAUD) (Pierre GUILLAUD/AFP/AFP) They have been our meat and our messengers, a source of fertiliser and a religious symbol: while pigeons are now mostly reviled as dirty city pests, they long played an important role in human society.
'Their story is our story': Pigeons and humans, 3,500 years together
12 hours ago A new study measuring vibration frequencies throughout the Great Pyramid revealed how it has been able to withstand severe seismic shocks. Around 2500 B.C., Egypt’s great pharaoh Khufu began a massive construction project. His goal was to erect a large pyramid on the Giza Plateau, which would later …
WATCH: A Spacecraft Is Launching to Study How Earth Survives Solar Storms
A joint European-Chinese spacecraft is set to blast off Tuesday to investigate what happens when extreme winds and giant explosions of plasma shot out from the Sun slam into Earth's magnetic shield. Particularly fierce solar storms can knock out satellites, threaten astronauts – and create colorful auroras in the skies of northern and southern latitudes.
New spacecraft will watch Earth's shield take the hit as solar storms come roaring in
Have you ever thought closely about how much or little your photos change with just one stop of shutter speed? Here’s what happens to the same scene …
Spacecraft to probe how Earth fends off raging solar winds
Intese explosions of plasma shot out from the Sun can take out power grids or communication networks here on Earth (NASA) (NASA/NASA/AFP) A joint European-Chinese spacecraft is set to blast off Tuesday to investigate what happens when extreme winds and giant explosions of plasma shot out from the Sun slam into Earth's magnetic shield. Particularly fierce solar storms can knock out satellites, threaten astronauts -- and create colourful auroras in the skies of northern and southern latitudes.
Oldest dog DNA suggests 16,000 years of human companionship
Reconstruction of 14,300-year-old dog jawbone from Gough's Cave. Credit: Tom Anders & Longleat The discovery of the oldest ever dog DNA suggests they have been our best friends for nearly 16,000 years—5,000 years earlier than had previously been thought, new research said Wednesday. Despite being ubiquitous in the homes, backyards and hearts of people across the world, surprisingly little is known about where dogs come from.
Una reciente investigación demostró que los perros nos acompañan desde hace 16.000 años
Un grupo de humanos paleolíticos con pieles y lanzas camina entre la nieve, acompañado por perros prehistóricos en un entorno gélido, reflejando su vida de cazadores-recolectores. (Imagen Ilustrativa Infobae) ¿De dónde vienen los perros y desde cuándo acompañan a las personas? Nuevos estudios sitúan su presencia en Europa hace casi 16.000 años, es decir 5.000 años antes de lo que estimaban investigaciones previas.
Oldest Dog DNA Ever Found Reveals How Ancient Our Friendship Really Is
The discovery of the oldest ever dog DNA suggests they have been our best friends for nearly 16,000 years – 5,000 years earlier than had previously been thought, new research said Wednesday. Despite being ubiquitous in the homes, backyards and hearts of people across the world, surprisingly little is known about where dogs come from. "It's just an interesting mystery," Swedish geneticist Pontus Skoglund of the UK's Francis Crick Institute told reporters.
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