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Sustainable development: an oxymoron? | Tangente
An oxymoron is a figure of speech that brings together two seemingly contradictory terms. Thus, in Le Cid (1637), Corneille coined the phrase “that dark radiance falling from the stars”
Development, yes—but why...? | Tangente
The first criticisms of economic development based on the overexploitation of natural resources emerged in the late 1960s.
Biodiversity: a very fashionable portmanteau | Tangente
What does "biodiversity" mean? Where does the word come from? Even without knowing it, we think we understand what it means
Mobile structures and solar games for... | Tangente
Philippe Debouclans, a pioneer in solar-energy education, brought together a team to introduce young people to renewable energy through workshops featuring games and construction activities using his range of Héliobil toys.
Journalists and scientists join forces | Tangente
In an unprecedented initiative, journalists and scientists joined forces for an entire day to make sense of the news
Art as a way to interpret numbers | Tangente
The digital artwork Exit illustrates global population movements
Where do the figures come from? | Tangente
Public authorities and the media release all kinds of figures, presenting them as indisputable facts. Where do all these numerical data come from? Where can we find them—in online sources, studies or elsewhere? How can we form an informed opinion?
How SNCF fares are polluting France | Tangente
More and more travelers are wondering whether, in the end, driving might be cheaper.
Pierre Samuel, the first scientifically minded environmentalist | Tangente
Pierre Samuel (1921–2009) was one of the greatest French mathematicians of the 20th century. He became deeply interested in environmental issues.
Forecasting the world's population | Tangente
There was much discussion in 2017 following a UN study: the world's population, currently at seven billion, will reach almost ten billion in 2050.
Le muguet du Premier Mai | Tangente
Cryptarithme durable - Problème de maths | Tangente
Massif central - Problème de maths | Tangente
Parc national australien | Tangente
Le bateau - Problème de maths | Tangente
♦♦♦ Le chèvrefeuille
Pamplemousses - Problème de maths | Tangente
Remue méninges - Problème de maths | Tangente
Et les Shadoks pédalaient, pédalaient… | Tangente
Encore en feu ! - Problème de maths | Tangente
Les automates cellulaires de Wolfram | Tangente
Les automates cellulaires sont aujourd'hui bien connus grâce au fameux « jeu de la vie » introduit par le mathématicien britannique John Horton Conway. Mais il y en a d'autres…
La rivière des trois soeurs | Tangente
L'Institut intergalactique est le temple de l'excellence où exerce le redoutable professeur Phi. En ce Jour de la décroissance, il faut reprendre certaines vieilles habitudes…
