Interview with the linguist Frédéric Landragin, who recently published a short guide on interstellar communication.

What do a wind turbine, an ocean swell, and a volcanic eruption have in common? All three emit infrasound, or sound whose frequency is below 20 hertz. These sound waves, which are wrongly considered to be inaudible, can travel around the Earth multiple times, and are of interest to both physicists and doctors. A closer look.

As the International Criminal Court considers a request to issue an arrest warrant against Israel’s prime minister and three Hamas officials for crimes against humanity, Raphaëlle Nollez-Goldbach, a specialist in the subject, looks back on the very young history of international law.

By depriving them more or less temporarily of their sense of smell, the Covid-19 pandemic made thousands of people abruptly realise the importance of their olfactory system. Research is now trying to decipher the causes of anosmia and to improve its treatment.

For nearly ten years, astronomers have been trying to demonstrate the existence of a massive object thought to be orbiting in the outer reaches of the Solar System. Although the hypothesis is widely debated, a recent study claims that the absence of such a body is statistically impossible.

Two weeks after the Olympic Games, Paris is hosting the 2024 Paralympics. A multi-medallist para-swimmer, France’s national karate kata champion in 2022 and a lawyer specialising in sports and disability law, Mai-Anh Ngo carried the Paralympic flame on 25 August.

A multi-medallist para-swimmer, France’s national karate kata champion in 2022 and a lawyer specialising in sports and disability law, Mai-Anh Ngo will carry the Paralympic flame on 25 August.

Julia Pirotte, a photojournalist and resistance fighter, documented the first day of the Marseille uprising on 21 August, 1944, wielding her camera alongside the freedom fighters. Through her images, the historian Claire Miot recounts this little-known episode in the liberation of the city.

As the 2024 Olympics in Paris have come to a close and the Paralympics are about to begin, the historian Jean-Paul Thuillier looks back at the origins of the games in Greco-Roman civilisation.

Forests cover a third of the world's land surface. Although they provide us with invaluable services, they are now under so much pressure that we are faced with our own contradictions between their sometimes conflicting roles as sanctuaries for biodiversity, or (over)logged sources of materials.