Alzheimer's affects more than 50 million people worldwide today, and no cure is available. Despite decades of research, clinical trials directly targeting neurons or amyloid plaques have produced modest results. However, a new avenue is emerging: the central role of the blood-brain barrier, this biological filter which protects the brain, but becomes dysfunctional in the … Read more
Each winter, the same symptoms return and sow doubt. A cough, a sudden fever, a flowing nose, and the question re -emerged immediately. What once seemed obvious is no longer, as viruses have changed their face. Doctors find that the boundaries between colds, flu or COVIR-19 become blurred, blurring the benchmarks that once guided patients … Read more
[Un article de The Conversation écrit par Sarah Safieddine – Chargée de recherche CNRS (LATMOS/IPSL), Sorbonne Université & Cathy Clerbaux – Directrice de recherche au CNRS (LATMOS/IPSL), professeure invitée Université libre de Bruxelles, Sorbonne Université] The climate change figures are well known: 1.5 ° C more since the pre -industrial era, and +2 ° C expected … Read more
Classifying the living often amounts to placing borders where evolution has not drawn it. Between the reptiles to the griffus limbs and the snakes without legs, the lines seem clear, but they can scramble as soon as we search the layers of the past. This is precisely what reveals Breugnathaira jurassic fossil whose anatomy intrigues … Read more
Triple negative breast cancer represents around 15 % of diagnosed cases, but it remains one of the deadliest. Its resistance to hormonal and targeted treatments makes it an urgent medical challenge, especially since its ability to form metastases early compromises the prognosis of patients. Contrary to traditional approaches seeking to cause the collapse of tumor … Read more
The objects that surround us inspire confidence by their daily use. Toys, decorated glasses, lipsticks or baby cookies make up a familiar landscape, rarely associated with the danger. However, behind this apparent safety, an invisible reality persists. Lead in everyday products continues to circulate at low noise, sometimes escaping from standards or controls, and asking … Read more
All over the world, the basements have become intensive exploitation territories, dug to their limits to meet energy and industrial needs. In some cases, this underground pressure ends up going up to the surface, upsetting the lives of those who live above. This is precisely what the mining collapse reveals in Chile, at the heart … Read more
Some revolutions go unnoticed by the general public, even when they deeply upset our understanding of the world. In science, it happens that one spirit redraws the whole landscape without ever seeking light. Alexandre Grothendieck belongs to this rare line, that of visionaries whose work extends far beyond mathematics. Alexandre Grothendieck stands out as an … Read more
Each night, millions of parents close the door of their child's room, convinced that he is sleeping peacefully. However, this certainty masks a very different reality. A recent study by researchers from Brown University, in collaboration with the Warren Alpert Medical School and the Rhode Island Hospital, reveals a striking gap between parental perceptions and … Read more
The story of the universe begins well before the first stars. Long perceived as a phase of cold and silent inertia, this initial period always intrigues cosmologists. The main stages such as recombination or the emergence of visible light have been patiently reconstructed, but other gray areas persist. Among them, the era of reionization remains … Read more
