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Three great moments mark rhetoric from its very beginnings. The Platonic moment, with its emphasis on the role of the audience (manipulation of the mind); the Aristotelian moment, with its emphasis on reasoning and language; the Ciceronian moment, with …

Abstract How did three centuries of continuous invasions, from Alexander the Macedonian to the Kushans, unwittingly foster an extraordinary religious and artistic upheaval in North India? Gérard Fussman reviews sixty years of international research that …

Abstract Now that we have all the notions we need to understand an amplifier operating in the quantum limit, we were able to tackle the relationship between amplification and measurement in the fifth lesson. We began by explaining the distinction between …

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This final lesson introduces the class II ribonucleotide reductase (RNR). Found in bacteria and archaea, RNR is characterized by the use of adenosylcobalamin as a radical precursor. This organometallic cofactor produces the 5'-deoxyadenosyl radical by …

Abstract The directionality of amplifier systems was the subject of the fourth lesson. It plays an important role in the measurement process, since we want to prevent noise from the circuit after the amplifier from being sent back to the input and …

Abstract There is a strong current of thought and action whose quest is to harmonize the relationship between nature and human production. To achieve this, man-made materials and systems must be increasingly sophisticated, miniaturized, recyclable, …