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From Genesis, Demosthenes or Homer and Xenophon, we were aware of the existence of a ritual where three animals, a sheep, a pig and an ox are sacrificed, what is called trittoia. In Thassos, an island of northern Greece, a random discovery of the remains of a pig, an ox and earlier a sheep, dated around IVth century B.C., the science of archaeozoology adds the missing piece of the puzzle: the rear partof the sheep. The three animals were immolated, cut in half and buried in a hole in the…

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Trittoia, or the meeting of Thassos (The)
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In the archaeological museum of Thassos, in northern Greece, archaeologist Arthur Muller introduces us to his research in coroplastic art, the study of terracotta votive statuettes found in the surroundings of temples in ancient Greece, for example in the temple of Artemis and Demeter Thesmoforos (5th to 2nd century). By studying how they were made, through successive moulding, heads combinations, and modifications in their clothing, we discover a nearly modern fabrication method of these…

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Coroplastic art of Thassos (The)
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From 2000 to 2006, Jean Duprat, a physicist at the CSNSM, went three times to the scientific base Concordia at the South Pole to collect micrometeorites, in order to understand, thanks to these witnesses of the first moments of the primitive solar system, how the Sun and its planets were formed 4.5 billion years ago.

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Polar Dust
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The physicist Alain Aspect, a director at the Laboratory Charles Fabry, within the Institute of Optics located in Orsay, has received the CNRS Gold medal in 2005 for his works on quantum optics and atomic physics. In this film, he recounts his career and describes his researches. He proved the non-validity of the Bell ' s theorem.

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Alain Aspect
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The site of Malia, in Crete, discovered in 1915 by a Greek archaeologist, is still in excavation. This exceptional site had never been reoccupied, after three series of habitations from 2000 to 1370 BC, and it is particularly rich in remains. Isabelle Badfer-Burdet, an archaeologist and a member of the French School at Athens, shows the crafmen'neighborhood established around the palace of Malia.

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In the Malia ruins
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In 2000, the mathematician Jacques Tits resigned his Chair in group theory at the Collège de France. On this occasion, the Collège and the Institut des hautes études scientifiques organized two days of lectures in his honor, on May 3 and 4, 2000. Ten well-known mathematicians testify to the contributions of Jacques Tits and explain the significance of his theory of buildings.

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For Jacques Tits
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In March 1989 a Bourbaki seminar was held at the Institut Henri Poincaré in Paris. Bourbaki is the name of a group of French mathematicians founded shortly after the Second World War. The first of its famous seminars was held in 1948. Work was published jointly by the mathematicians in the group, who chose to sign it with the name of a fictitious person, Bourbaki. Henri Cartan and three other mathematicians (Pierre Cartier, Etienne Ghys, and Jean-Louis Verdier) review the history of the…

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Henri Cartan and the Bourbaki seminar of March 1989
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The CNRS awarded its 2004 Gold Medal to one of the greatest mathematicians of our time, Alain Connes, a professor at the Collège de France and the Institut des hautes études scientifiques (IHES). Throughout his career, Alain Connes has been interested in the solution of the mathematical problems raised by quantum physics and the theory of relativity. In particular, he revolutionized the theory of operator algebras and created a new branch of mathematics, non-commutative geometry. His work has…

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Alain Connes
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Developed seven years ago, the ANTARES project is the result of the collaboration between three French and European laboratories: the CNRS, the CEA and the IFREMER. Its aim is to detect and study the very high energy cosmic neutrinos thanks to the first underwater neutrino telescope in the whole world, settled at a depth of 2 500 meters at the bottom of the sea. There is a short version of this film (6 min) entitled “The Neutrinos of Antares”.

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Eyes of Antares (The)
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As chemical and sound pollution increases, the electric vehicle becomes a solution to urban transportation problems. In La Rochelle and Bordeaux, the city government has set an example. The idea comes in various forms - scooters, river boats, and delivery services. Industry and research organizations are actively involved. CNRS laboratories are carrying out research on battery components. The use of electric vehicles of many kinds is becoming widespread.

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Time is ripe (The) [2004]
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The CNRS Gold Medal for 2003 was awarded to physicist Albert Fert for his discovery of giant magnetoresistance and his contribution to spintronics. From his birthplace at the foot of the Pyrenees, Albert Fert shares his memories and describes his vocation as a scientist. Scientists from Albert Fert's laboratory, CNRS-Thalès, in Orsay (Université Paris-Sud), present the major lines of their research: magnetic tunnel junctions, new materials, spin coherence, and quantum calculations.

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Albert Fert
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The Irène Joliot-Curie Prizes reward initiatives that increase the numbers of girls studying scientific and technical subjects and improve the position of women in the sciences. Three prizes were awarded in 2003: Muriel Thomasset, a CNRS engineer, in the "incentive" category (initiatives promoting careers in science) The Association française des femmes ingénieurs, represented by its president Monique Moutaud, in the "support" category (initiatives aiding women in their…

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The awards ceremony of the Joliot-Curie Prizes
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An interview with Jean Jouzel, Director of the Institut Pierre Simon Laplace in Paris, who received the CNRS Gold Medal in 2002 jointly with Claude Lorius. Jean Jouzel develops mathematical models for calculating climate warming as a function of the nature and gas content of the atmosphere. Bubbles of air in ice cores collected in the Antarctic reveal the composition of the atmosphere in past centuries. Scientists thus obtain correlations between greenhouse gases and climate cycles. Jean Jouzel…

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Jean Jouzel
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An interview with Claude Lorius, Emeritus Director of Research at CNRS, who received the CNRS Gold Medal in 2002. He received the award jointly with Jean Jouzel, for research which revealed the links between the quantity of greenhouse gases and climate change, resulting from the analysis of the air bubbles in the ice which has been accumulating for millennia at the South Pole. Claude Lorius recalls his career, beginning with his first visit to the Antarctic in 1957, at the time of the…

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Claude Lorius
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Winner of the CNRS Gold Medal in 2001, anthropologist Maurice Godelier shares some aspects of his activities, his life, and his research. First he takes us on a field trip to the Baruya of Papua-New Guinea, among whom he worked for seven years, describing his research on kinship ties and the initiation ceremonies of the various age groups. He leads a seminar for the EHESS (Ecole des hautes études en sciences sociales). He impresses on his students the need to develop a true scientific…

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Maurice Godelier
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Michel Lazdunski, the head of CNRS' Institut de pharmacologie moléculaire et cellulaire at Sophia-Antipolis, and winner of the CNRS Gold Medal in 2000, describes the current state of his research on ion channels, which are the microgenerators of the electric signals present in all cells. The study of the behavior of specific toxins extracted from animal venom (spiders, sea-anemones, etc.) leads to the identification of ion channels whose dysfunction leads to pathologies such as cardiac…

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Michel Lazdunski
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A summary of a day of lectures in conjunction with an "Open Day" event organized by the IHES (Institut des hautes études scientifiques in Bures-sur-Yvette) at the Centre Georges Pompidou on September 18, 2000. Highly varied aspects of mathematics are addressed by eight experts. Stacked oranges and correction codes, by Denis Auroux. Morley's marvelous theorem, by Alain Connes. Under the street lies symmetry, by Etienne Ghys. The genome and mathematics, by Alessandra Carbone. …

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A visit to the world of mathematics
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Nicole Le Douarin, CNRS Gold Medal winner in 1986 and the inventor of the first animal chimeras, quail-chickens, describes the history of the process of embryo marking, which allows the monitoring of cellular diversification throughout its development. This method, applied to the neural crest of the chicken embryo, enabled her to show that the bones of the facial structure are formed from the region that is also primarily responsible for the formation of the skin and nervous system. Thirty…

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Secret of chimeras (The)
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Jean-Claude Risset is a physicist, a musician, and a computer scientist. He has used his computing talents to turn his piano into a true partner. He proselytizes constantly for a cause dear to his heart - the restoration of a Renaissance conception of the university, and of culture as a whole, in which the arts and the sciences would once again be closely linked.

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Jean-Claude Risset
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Pierre Potier, Director of the Institut de chimie des substances naturelles in Gif-sur-Yvette, received the CNRS Gold Medal for 1998. A pharmacist by training, Potier became interested very early on in the isolation and structural analysis of organic substances, then in the biosynthesis of these substances. Subsequently he specialized in the search for new compounds which could be used in the treatment of tumoral diseases. To facilitate this research he developed a simple biological test, the…

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Pierre Potier
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The sun's temperature decreases gradually from the core to the photosphere. Then, paradoxically, it increases considerably in the corona around the sun. This anomaly is investigated by astrophysics researchers with the help of a wide array of instruments, including the satellite SOHO, the solar telescope Themis, and the radioheliographs and decametric antennas in Nançay.

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In the solar wind
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Seven recipients of CNRS Silver Medals present their research fields: Mathias Fink (time-reversing mirrors), Barbara Romanowicz (seismology and the study of the earth's structure), Sébastien Candel (turbulent combustion), Hélène Barbier-Brygoo (hormone signaling in plant growth), Clément Sanchez (organic-inorganic hybrid materials), Alain Blondel (elementary particles), Catherine Fuchs (modeling of linguistics mechanisms).

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CNRS Silver Medals
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On July 3, 1990, on the occasion of the inauguration of the CNRS grouping of communication units, Hubert Curien, Minister of Research and Technology, visited the Meudon-Bellevue campus, former estate of the choreographer Isadora Duncan. The large electromagnet of the Académie des Sciences installed in 1928 testifies to the prestigious past of this site. In his speech, the Minister recalled the pioneering role of the campus laboratories in extreme research, particularly on low temperatures…

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Visit to the CNRS campus in Meudon Belllevue, (A)

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