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Abstract Long-term monitoring is a crucial tool for anticipating population collapse, which is particularly important in the case of priority species (rare, endangered or threatened). The 'Adopt a plant' programme was launched in 2013 as a collaborative …

Abstract Volunteer-based plant monitoring in the UK has focused historically on distribution mapping, with less emphasis on the collection of data on plant communities and habitats. However, abundance monitoring for other groups of organisms is …

On Thursday April 25 , Entre-Temps organized two round tables at the Collège de France as part of the commemoration of the 30th anniversary of the Tutsi genocide in Rwanda. An opportunity to reflect collectively on the experiences of this recent past. For …

Abstract Physical activities, now considered part of our leisure time, as well as sports in which certain individuals demonstrate exceptional abilities, were once daily and vital practices for our most remote ancestors. Adaptations to climbing, bipedal …

Abstract The importance of the body in Étienne-Jules Marey's research may seem obvious : the walking man, the trotting horse, the bird and the insect in flight are the privileged objects of the graphic method and chronophotography. Beyond this, the …

Summary Tracing back to the four interlocked ibexes walking in a circle that features the so-called "Hunt Patera" (in the Louvre Museum) from the temple of Baal at Ugarit, Syria, dated to the 14th-13th  century BCE, this lecture discusses the original …

Summary In the 7th  century, the Tibetans began to dominate a broad territory that extended across the Qinghai-Tibet plateau. It was suggested that some ideas and practices of their indigenous Bon religion were acquired from western Tibet, which was once …

Abstract This lecture discusses the often-labeled Sasanian or Sogdian silk textiles featuring beaded roundels enclosing animals which became very popular across Eurasia for the entire Middle Ages. Although some animals, such as the duck, ram, or flying …

Adam Jaffe , Moderator Manuel Trajtenberg Antonin Bergeaud Kevin Bryan Reinhilde Veugelers …

Bronwyn Hall , "Explorations of cumulative advantage using data on French physicists" (Co-author: J. Mairesse) Discussant: Francesco Lissoni Listen to audio Carolyn Stein , "The Wandering Scholars: Understanding the Heterogeneity of University …

Introduction: Adam Jaffe Speaker: Kathryn Shaw …

Dominique Guellec , "NPL vs. NLP: Analysing the links between science and technology using citations and semantics" (Co-authors: M. Amdaoud, J. Liu, W. Mesheba, J. Quemener, D. Sapinho, J-M. Deltorn) Discussant: Manuel Trajtenberg Listen to audio Dietmar …

Ariel Stern , "Who Drives Digital Innovation: Evidence from the U.S. Medical Device Industry" (Co-authors: A. Everhart, C. Foroughi) Discussant: Iain Cockburn Listen to audio Josh Lerner , "The Diffusion of New Technologies" (Co-authors: A. Kalyani, N. …

Introduction: Lee Branstetter Speaker: Robert Gordon …

Shane Greenstein , "New Economic Forces Behind the Value Distribution of Innovation" (Co-authors: T. Bresnahan, P-L. Yin) Discussant: Lee Branstetter Listen to audio Xavier Jaravel , "Social Push and the Direction of Innovation" (Co-authors: E. Einio, J. …

Moderator: Ben Jones Robert Gordon Ufuk Akcigit Pete Klenow Huiyu Li …

Kevin Bryan , "The Paper Trail of Knowledge, Revisited" (Co-authors: Y. Ozcan, B. Sampat) Discussant: Fabiana Visentin Listen to audio Mark Schankerman , "Screening Property Rights for Innovation" (Co-author: W. Matcham) Discussant: Dietmar Harhoff Listen …

Introduction: Philippe Aghion Speaker: James Heckman …

Ufuk Akcigit , "Firm and Productivity Dynamics under the Iron Curtain" (Co-authors: R. Brauer, A. Markewich, J. Miranda, A. Zherdeva) Discussant: Pete Klenow Listen to audio Timo Boppart , "Ideas Rents and Firm Growth" (Co-authors: P. Klenow, R. Laski, H. …

Plowing the fields . Miniature from the manuscript Politiques d'Aristote, translated by Nicolas Oresme, 14th century . Daisy Delogu has been invited by the Collège de France assembly at the suggestion of Pr Patrick Boucheron. Abstract This lecture will …

Nicolas Crouzet , "Intangible capital, non-rivalry, and growth" (Co-authors: J. Eberly, D. Papanikolaou, A. Eisfeldt) Discussant: Philippe Aghion Listen to audio Ernest Liu , "Transition to Green Technology along the Supply Chain" (Co-authors: P. Aghion, …

Abstract The scientific chairs of the Collège de France numbered eight out of nineteen in 1789, on the eve of the Revolution. They remained in place until 1794, then became vacant during the Directoire, Consulate, Empire and Restoration periods. Under …

Kyle Myers , "Productivity Beliefs and Efficiency in Science" (Co-authors: F. Bertolotti, W. Y. Tham) Discussant: Bronwyn Hall Listen to audio Pierre Azoulay , "Who Stands on the Shoulders of Chinese (Scientific) Giants? Evidence from Chemistry" …

Introduction: Philippe Aghion Speaker: Joel Mokyr …