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Matter
In August 2025, the Geneva Summit on plastic pollution once again failed to reach agreement on an international treaty, due in particular to a lack of consensus over recycling and its limits. This issue was the subject of a recent collective scientific...
Article
10.27.2025
The early 20th-century artist Robert Delaunay began painting at a pivotal moment in art history, namely during the chemical industry revolution, when the number of pigments available on the market increased. Today scientists are trying to solve the mystery of...
Slideshow
07.17.2025
Sand patches dot beaches and deserts, but their origin remains an enigma. Using measurements taken in the desert, physicists have created a model that explains how they form, with a few surprises into the bargain.
Article
07.07.2025
The metabolism of astronauts, the behaviour of plants, the reactions of living beings to radiation and of foams to weightlessness… The International Space Station does not only observe Space, as evidenced by the following four experiments.
Article
03.26.2025
04.20.2016
The Microscope satellite was placed in orbit this April. Its mission: test once more the principle of equivalence, a pillar of the theory of general relativity that postulates that all objects fall...
Article
03.25.2016
Plasmas, the fourth state of matter, are usually found at temperatures of several million degrees. But there are also cold plasmas, which are already very much used in the semiconductor and lighting...
02.11.2016
In order to discover gravitational waves, detectors must be able to distinguish movements as small as one billionth the size of an atom. This major feat of sensitivity has been accomplished and...