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Matter
The outstanding physicist Jacqueline Bloch is a specialist in polaritons, microscopic objects halfway between matter and light. She has just been awarded the CNRS Gold Medal, France’s highest scientific distinction. A portrait.
Article
09.17.2026
Many everyday objects contain PFAS, synthetic molecules that are virtually indestructible. These thousands of compounds are accumulating in both nature and our organisms. One avenue for eradicating them is bioremediation, which eliminates chemicals by using...
Slideshow
02.25.2026
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
07.07.2025
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...
03.26.2025
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...
03.19.2025
How to measure the dislocation of ice floes, the immense expanses of ice floating in polar seas? Easy! Create a model of the ice pack, find the best way to shake it, and watch as it breaks under the...