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Abstract Clean hydrogen, as an energy vector and a sustainable chemical feedstock, is a pillar of the energy transition and key contributor to meeting the targets for net zero greenhouse gas emissions by 2050 and thereby to building a climate-resilient …

Abstract Conversion of carbon dioxide into hydrocarbons (methane, ethylene) and alcohols (ethanol, propanol) using renewable electricity as an energy source is an attractive strategy for storing renewable energies (solar and wind energy) into the form of …

Abstract this presentation will provide a long perspective on the importance of energy transitions in human history and underscore the role of ingenuity, innovation, and adaptation in the past - and future - success of our species. Kyle Harper Kyle Harper …

Abstract The magic papyri of Late Antiquity preserve few traces of their social context. Yet careful study can reveal valuable information about the individuals who composed and copied them. In this seminar, we propose to discuss accounts of the education …

Abstract We study the existence of relaxed equilibria for finite-horizon deterministic mean-field games. These relaxed equilibria are probability measures on trajectories. Closed-graph properties play a major role in proving their existence. Two   cases …

Abstract Adaptation may be a key element in biological evolution, but it is only one component. We'll talk about everything else. On the one hand, there is drift, the random counterpart of natural selection, which should never be underestimated. Then …

Abstract A wave packet launched into a random potential, in the strong localization regime (Anderson localization), first moves away from its original position, then returns and stops there. This phenomenon, discovered by Dominique Delande and his …

Abstract This two-part lecture aims to provide a holistic understanding of neural recording and stimulation electrodes, from design to practical application, and to highlight the importance of engineering and materials science in advancing neuroscience …

Abstract Polygenic selection refers to the process of simultaneous selection of mutations in a large number of genes, each making a marginal contribution to adaptation. However, the fact that each mutation involved in polygenic selection has a weak effect …

Abstract At a time when political decision-makers are relying more and more on the word of scientists to make their decisions and guide their policies, what place do citizens have in the democratic debate  ? The shock of the Covid-19 pandemic, the …

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Abstract Gn   5 describes the first generations of mankind, before the flood, a super-humanity, with longevities of several centuries.. Documents and media Download …

Abstract I will outline how different tree-ring data and methods can be used to better understand the direct and indirect effects of large volcanic eruptions on the Earth's climate system and how past climate variations have impacted ecological and …

Abstract The Little Ice Age is one of the most pronounced episodes of climate change at the end of the Holocene. The global panorama of failures and successes has been carefully studied by climate and social historians, and provides a series of case …

Abstract The first lecture is aimed at a general math audience and will be an introduction to the representation theory of p-adic groups and its relation to other areas. It will include an overview of the construction of representations of p-adic groups …