secretion systems
News
2025.05.22
Steroid hormones, or steroids, are a large family ranging from corticosteroids, such as cortisone, to sex hormones like progestogens, estrogens and androgens...
Portrait
2025.05.22
From São Paulo to Paris
Guilherme spent his childhood in Araçatuba, in the state of São Paulo in Brazil. He was born into a close-knit family, who supported...
News
2025.05.21
Bacteria first emerged on Earth 3.5 to 4 billion years ago, quickly developing adaptation mechanisms allowing them to survive in the changing and sometimes...
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...
News
2025.05.08
Since 2022, the world has been grappling with a severe epizootic of avian influenza, affecting birds and sometimes also farmed mammals, primarily caused by...
Vidéo
2025.04.04
Meningitis: warning signs!
200 cases in France since January? Yes, but... This figure concerns invasive meningococcal infections, a 25-year record. But not all...
Portrait
2025.03.06
His current focus is studying and measuring the impact of diet, especially certain additives, on the gut flora. His team analyzes the effects of emulsifying...
News
2025.03.08
Illustrations copyright: Margaux Pailha EI
Did you know that only 20% of Wikipedia biographies are dedicated to women? This...
News
2025.03.05
Scientists have made a major discovery about lactation regulation. The study shows that the maternal immune system plays a key role in the differentiation of...
News
2025.03.05
Transfers of DNA molecules from one species to another occur relatively frequently on an evolutionary scale, but DNA transfer can also occur in other...