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Catriona Agg's geometry puzzles | Tangente
Catriona Agg (until recently also known as Catriona Shearer) is a British mathematics teacher from Cambridge.

A life spent sharing mathematics | Tangente
Gilles Cohen was far more than the director of Éditions POLE and its flagship magazine, Tangente. Brimming with projects and ideas, he launched initiatives in every direction to bring mathematics to a wider audience. In recent years, he was chiefly involved in Club Tangente's activities.

Epidemiological statistics | Tangente
Despite what its name suggests, epidemiology is a broad discipline. Its scope now extends beyond the study of infectious diseases to encompass all human diseases and disorders, whether chronic, genetic, environmental or behavioral, as well as accidents.

Galois's handwritten papers at Louis-le-Grand | Tangente
Although Galois's "complete" works were published in 1962, they can be "completed"—a kind of paradox of completeness—with his papers from the 1829 entrance examination for the École préparatoire. They are held in the Archives nationales. Let us open them! Some of them have never been published.
