Children from across the UK talk about their interests and passions. Logan is upset by trees. He'd like to cut them down and build everyone a home. Show more

Prehistoric capers with Fred and Barney. Barney rescues a baby, but everyone gives Fred the credit. Fred gives up setting the record straight and enjoys his newfound status. Show more

Dr Alice Roberts peers inside her own stomach by swallowing a tiny camera, then uses dissection and some unusual tests to find out more. Show more

Documentary series in which Simon Reeve travels around the equator. In Africa, he catches malaria in Gabon, goes rafting on the Nile and witnesses a bullfight in Kenya. Show more

Joins BBC News.