There are around 200 different types of cells in a human body, all with different jobs to do. Professor Hallux thinks he’s designed a better solution that can do all the jobs – but what jobs are they?

Marina Ventura and The Micro-Gridders: The Super Squad
05:17

The Circular Trail: a free Time Hunters history walk around the City of London
46:10

Marina Ventura and The Micro-Gridders: The Power Stash
05:25