This week on the show Stu speaks to Dr Ellie Paine about her research showing that growing seaweed in the open ocean to draw down carbon dioxide from the atmosphere could be thwarted by a lack of iron.
Also on the show this week Chris revisits the origin of Covid-19 and some new information that further rebukes the lab leak theory.
Chris Lassig, Stuart Burns and Claire Farrugia and others.
