Researchers involved in the Lux-Zeplin (LZ) Dark Matter Experiment, an international project based in an underground mine in South Dakota, have reported possible evidence of dark matter interacting with their detectors. Dark matter is a mysterious substance that makes up a significant portion of the universe's mass but does not emit light or energy, making it extremely difficult to detect directly. Kimberly Palladino, a physics professor at Oxford University and a member of the LZ collaboration, explained to Roland how scientists are attempting to identify dark matter by observing its potential interactions with ordinary matter. Meanwhile, in a different field of science, microbiologist Erika Santoro has been exploring the use of probiotics—beneficial microorganisms typically found in the human gut—for coral reef restoration. Her research is taking place in the Red Sea, where she is testing whether these probiotic treatments can help corals withstand environmental stressors like rising ocean temperatures and pollution. This work builds on the growing interest in applying health-related microbiological concepts to ecological challenges. In the realm of environmental science, veteran journalist Fred Pearce has authored a book titled Despite It All: A Handbook for Climate Hopefuls. The book highlights the progress that has been made in protecting the planet and offers a hopeful perspective on the future of climate action. It has been shortlisted for the Royal Society’s Trivedi Science Book Prize, recognizing its contribution to science communication and public understanding. Mathematician Kit Yates also discussed several intriguing scientific developments this week. One included the potential use of Earth’s magnetic field to authenticate ancient artefacts, a technique that could help distinguish genuine historical items from forgeries. Additionally, Yates noted the discovery of a puzzling ten-sided cloud structure on Saturn’s south pole, a phenomenon that continues to challenge scientists’ understanding of planetary weather systems.