28565 results
Series
Image created with AI from the following prompt: "Generate an image illustrating Stéphane Mallat's course at the College de France on 'AI data generation by transport and …
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Series
Image created with AI from the following prompt: "Generate an image illustrating Stéphane Mallat's course at the College de France on 'AI data generation by transport and denoising'". The lecture presents the state-of-the-art in the generation of images, …
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Series
Nicolas Poussin, Les Bergers d'Arcadie (Et in Arcadia ego) (detail), second version, c. 1638, Musée du Louvre Last year's lecture focused on building mental libraries, finding lost works and editing texts. But once the texts and corpora are there, what …
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Series
Nicolas Poussin, Les Bergers d'Arcadie (Et in Arcadia ego) (detail), second version, circa 1638, Musée du Louvre Last year's lecture focused on building mental libraries, finding lost works and editing texts. But once the texts and corpora are there, what …
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News
The Collège de France is taking part in the exhibition " China. Empreintes du passé " exhibition organized by the Musée Cernuschi by lending several of its stamps. The stamping technique enabled the faithful reproduction on paper of inscriptions on …
Published on 16 December 2025
Guy Bertrand
Carbenes in SET Processes
Guy Bertrand
Carbenes in SET Processes
Symposium
Event
Abstract Over the last three decades, the highly tunable properties of NHCs and other stable singlet carbenes have led to a variety of applications. We will discuss a novel facet of carbenes, i.e., their reductive properties, which allows carbenes to …
17:20 to 18:10
Event
Abstract We demonstrate water activation by a photocatalytic phosphine-mediated radical process, generating a PR3-H2O radical cation intermediate, where both hydrogen atoms are used in the following chemical transformation through sequential cleavage of …
16:30 to 17:20
Event
Abstract Originally discovered via vapor-phase pyrolysis of p-xylene , 1 [2.2]paracyclophanes (pCps) have garnered significant attention due to their unique three-dimensional architecture2 and inherent planar chirality. 3 Despite their promising …
15:20 to 16:10
Event
Abstract As part of the organic chemistry, radical chemistry is an important research area as the one electron reactivity is complementary to the ones of the two electrons and polar manifolds. In this regard, electrochemistry, which enjoy a renewal, …
14:30 to 15:20
Event
Abstract Historically, group-1 alkali metal chemistry is dominated by +1 oxidation state. As the least electronegative elements in the Periodic Table, zero-valent alkali metals are prone to give out their only valence shell electron, i.e., acting as …
12:10 to 13:00
Event
Abstract Our group aims to study the total synthesis of complex natural products. We particularly deploy oxidative coupling strategies via single electron transfer (SET) processes among others tactics. We also study electrochemistry to access three …
11:20 to 12:10
Event
Abstract Since the pioneering report of the oxidative three-component Passerini reaction using a stoichiometric oxidant, [1] oxidative Isocyanide-based multicomponent reactions (IMCRs) have opened new avenues for accessing diverse chemical space from …
10:00 to 10:50
Event
Abstract Photoinduced electron transfer is the key step in photoredox catalysis. We will briefly review the essential parameters affecting photoinduced electron transfer and how we can control them for the benefit of synthesis. Next, we discuss recent …
09:10 to 10:00
News
A topical scientific subject is explored by a researcher from the Collège de France. Camille Michel How do international non-governmental organizations (NGOs) help implement the international law of the sea in national jurisdictions ? In many states, …
Published on 16 December 2025
Series
Mari's palace being excavated (1937). Aerial view of the French Air Force in the Levant. Mission archéologique de Mari n° 1683b, 1937. As part of the PCEHM program (" Power and written culture in Upper Mesopotamia in the eighteenth century BC "), funded …
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Event
Abstract Computational quantum physics has recently seen a dramatic increase in its capabilities, precision, and predictive power. The advances have been driven by method and code development, benchmark, and collaboration. Together with exciting recent …
14:00 to 15:00
Stephen Quake
Understanding the Mysteries of the Cell: How Do Mutations Arise in Our Bodies?
Stephen Quake
Understanding the Mysteries of the Cell: How Do Mutations Arise in Our Bodies?
Guest lecturer
Event
Abstract The question of how heritable mutations arise is one of long-standing interest in biology. In the case of bacteria, there was a debate about whether mutations arise as a consequence of adaptation to selective pressure from the environment, or …
17:00 to 18:00
Event
Abstract After a brief introduction to the CGDD, the research sub-department and their involvement in geoengineering, this talk will present current French positions on the two main families of techniques, carbon removal (EDC) and solar radiation …
15:50 to 16:35
Event
Abstract Marine geoengineering (the specific subject of this talk) is one of the scientific techniques that could ultimately help combat global warming. As such, it is the subject of this symposium. However, it also presents a serious and irreversible …
14:45 to 15:30
Event
Abstract CO 2 is a molecule that has already been used on a large scale for decades for a variety of applications: chemistry, agri-food, plant growth, extinguishing agent, water treatment... The geological storage of CO 2 has also been implemented for …
14:00 to 14:45