Science Weekly Folgen

As Iceland braces for a volcanic eruption, Madeleine Finlay hears from volcanologist Helga Torfadottir about how the country is preparing, and why this is happening now. She also speaks to Cambridge professor of volcanology Clive Oppenheimer about how scientists predict volcanic activity, and what it feels like to stare into a smouldering volcanic crater. Help support our independent journalism at theguardian.com/sciencepod

Last month the UK’s Food Standards Authority slashed the recommended safe daily intake of cannabidiol (CBD) from 70mg to 10mg. An estimated one in 10 people in the UK have used products containing CBD, and many users believe it can help with ailments such as insomnia, anxiety and pain. But is there any evidence for the supposed benefits, and what’s behind the FSA’s decision? Ian Sample talks to Dr Will Lawn of Kings College University, who has studied the health effects of CBD, to find out. Help support our independent journalism at theguardian.com/sciencepod

Ian Sample talks to Guardian global environment editor Jon Watts about the withering drought currently devastating the Amazon rainforest. Jon explains the complex mix of factors that are driving the drought, and considers whether it might be a catalyst for more concerted climate action in Brazil and beyond. Help support our independent journalism at theguardian.com/sciencepod