Anna Hogg is a glaciologist and joins Dan on the Fun Kids Science Weekly this week to chat all about the Thwaites Glacier, and why scientists from all over the world are studying it. 

Plus Dangerous Dan is looking at deadly chemicals that are used to clean toilets and launch rockets, scientists are tracking earthquakes on Mars... that's right...Marsquakes! Plus there's a toxic caterpillar outbreak, and we're learning about cretaceous sealife!