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Portrait
2026.03.30
A childhood shaped by science and empathy
Guillemette Masse-Ranson was born in northern France before moving to Greater Paris when she was five. She was...
News
2026.03.25
Try this mental exercise for a moment: imagine what our world looked like 1.2 billion years ago. At that time, all land masses formed a single continent, the...
News
2026.01.22
How does legionellosis develop in the early stages of infection? Which of the body's cells enable Legionella pneumophila to develop, and why? Scientists at...
News
2025.11.06
Phages, or bacteriophages, are viruses that infect bacteria and play a central role in the dynamics, evolution and adaptation of microbial communities....
Portrait
2025.10.10
Sarah Merkling had never dreamed of becoming a scientist – until the day when, as a young student, she was blown away by a biology class about genetics....
News
2025.07.09
What exactly is causing the cases of severe gastrointestinal illness that first began to emerge in and around Saint-Quentin on June 6? The health authorities...
News
2025.07.10
Update on chikungunya in mainland France in summer 2025
Several locally acquired cases of chikungunya have been detected in mainland France since the...
Vidéo
2025.05.20
Why do mosquito bites itch so much?
Jeanne Fenouil, science writer at the Institut Pasteur, explains all about these fearsome little insects.
During...
Vidéo
2025.01.02
This festive season, bubbles are everywhere: in champagne, sodas and sparkling water. But do you know why they fascinate us so much?
Gabriel Lepousez, a...
News
2024.12.19
In 1896, Charles Achard and Raoul Bensaude, both physicians within the Paris Public Hospital Network, identified an infection in patients presenting with...