Massive sargassum blooms are choking beaches, but a Scottish company plans to sink the seaweed to trap carbon and tackle climate change.

Neil Cairns visits physicist Carlo Rovelli in Verona to explore time, black holes, and the mysteries of quantum physics.

Reya El-Salahi meets Alexander Valentino, who plans to use Naples’ ancient canals and aqueducts to cool the city in summer.

Neil Cairns visits archaeologists and geneticists who traced a 20,000-year-old deer tooth pendant to a Stone Age woman.

Reya El-Salahi visits Spain’s Sierra Morena to see how conservation brought the Iberian lynx back from under 100 to thriving again.

Reya El-Salahi explores how the northern lights can disrupt technology and visits EISCAT 3D, a new radar studying solar particle impacts.

Emma meets Dr. Asad Khan, whose life was upended by long COVID, as new research seeks answers for millions still suffering worldwide.

Emma Keeling treks through Romania’s Tarcu Mountains to see how European bison, once extinct in the wild, are making a comeback.

Neil Cairns visits ITER in France, where nuclear fusion could provide unlimited clean energy, to see progress and challenges firsthand.

Research shows sanitized cities reduce beneficial microbes, harming health and increasing allergies and autoimmune diseases.