What makes an effective protest?

As another week of disruptive Just Stop Oil protests grabs media attention, sociologist Dana Fisher discusses which actions might help a cause - and which could harm it.Japanese scientists have developed artificial skin for robots made from real human cells. Inside Science producer Dr Ella Hubber digs into the uncanny invention. Inside Science reporter Patrick Hughes goes on the trail of methane emissions from landfills. And, as a heatwave smothers the UK, physiologist Damian Bailey helps us figure out what the perfect temperature for a human is. Presenter: Marnie Chesterton Producers: Ella Hubber, Gerry Holt, Sophie Ormiston Editor: Martin Smith Production Co-ordinator: Jana Bennett-Holesworth