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The fixation of CO2 in organic matter is achieved on earth by plants and photosynthetic microorganisms through the fascinating mechanism of photosynthesis. Solar photons are absorbed by molecular photosensitizers present in photosystems I and II. This …

The exchange of technical knowledge between artists has played an important role in the history of the arts. The lecture aims to illustrate this practice by considering the dissemination of certain materials and techniques in Florence in the early 16th …

Documents and media Download support Abstract The third lesson looked at the study of the interaction between Rydberg atoms. The excited electrons of two atoms "feel" each other at a great distance via the dipole-dipole interaction. This coupling is …

The fifth lecture focused on the application of iPS cells as a therapeutic tool and as a model in pathology. A first consideration concerns the possible dangers of these cells in the clinic. Although iPS cells avoid the technical and ethical drawbacks of …

Abstract If development is to be judged by the ability of developing countries to catch up with the developed world and reduce poverty, then performance over recent decades has been mixed. Some countries, notably in Asia and China in particular, have …

"She inclined towards Epicurean philosophy". The Athenian dossier of the empress Plotine, widow of Trajan (engraved in 125, during Hadrian's 1st visit). An epigraphic debate on the identity of the author of the letter to the philosopher Hermodôros. …

Hadrian's letter to the Athenians on the sale of fish at Eleusis (IG II2 1103; P. Graindor, Athènes sous Hadrien, 1934, 127-129) : examination of a new interpretation of this document (E. Lytle, " Fishless Mysteries or High Prices at Athens? ", Mus. Helv. …

Fundamental concepts. Imputability according to Max Scheler (1874-1928) Attributability of an act to a subject-agent (objective sense) and the subject's ability to impute its acts to itself (subjective sense) Self-ascription and other-ascription according …

Abstract Words, concepts and things. From Aristotle's semantic triangle to the redistribution/reformulation of Porphyry's questionnaire The semantics of the Peri Hermeneias Two tripartite schemes: voice, pathemes, things (Aristotle); φωνα ί, νοήματα , …

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The ninth and final lecture examined the validity of the model applied to the natural species of mankind . We recalled the difficulties revealed by the history of biology, the majority positions expressed therein, the recent return of "intrinsic" …

Documents and media Download support Abstract For three decades, Gordon Moore's (Intel's founder) self-fulfilling observation about the increasing performance of electronic circuits has given processor designers golden years. They were able to build ever …

Documents and media Download support Abstract First, I will complete the treatment of cyclic circuits by addressing the semantic and algorithmic approach using ternary logic (by Kleene and Scott), which gives a natural semantic vision of constructive …