Series 21The Impossible NumberWhat is the 'imaginary' number - and why is it so incredibly useful?41 mins14 Feb 2023
Series 21The Case of the Blind Mind's Eye'Why can't I see images in my mind?' asks Jude from Australia.43 mins10 Jan 2023
Silly Studies: The Pre-Series TeaserWe’re almost back! As a cheeky aperitif, our sleuths review some surprising science.12 mins05 Jan 2023
Series 20The Puzzle of the Plasma Doughnut“How does fusion work, and how can we do it safely on earth?” asks Les Walker39 mins20 Sep 2022
Series 20The Riddle of Red-Eyes and Runny-Noses“Are allergies really on the increase?” wonders Ally36 mins13 Sep 2022
Series 20The Problem of Infinite Pi(e)'How did we discover pi? How do we know that it’s infinite and never repeats?' asks Alex.35 mins06 Sep 2022
Series 20The Suspicious SmellWhy do our bodies smell? And does our smell influence how much we like each other?38 mins30 Aug 2022
Series 20The Wild and Windy Tale“How do winds start and why do they stop?” asks Georgina from the Isle of Wight38 mins23 Aug 2022
Series 20The Case of The Missing Gorilla'How can I be immersed in a book, and still notice my name?' asks Charlotte.37 mins16 Aug 2022
Series 19The Colour Conundrum'How do we see colour - and why are some people colour blind?’ asks Maya Crocombe.35 mins24 Mar 2022
Series 19The Turn of the TideWhy are tide times and ranges so different around the UK, asks Lynn?34 mins17 Mar 2022
Series 19The Shocking White HairCan human hair turn white overnight from shock? Hannah and Adam investigate greying hair.34 mins10 Mar 2022
Series 19Surprising SymmetriesWe’ve got two eyes, two arms, two legs - but only one heart. Why!? asks Joanne.33 mins03 Mar 2022
Series 19The Mystery of the Teenage BrainWhy do my teens struggle to get out of bed in the morning? asks Michelle.33 mins17 Feb 2022