Like physical activity, can we exercise our brain to improve at difficult mental challenges? Izzie Clarke spoke to Duncan Astle from Cambridge University about this tiring task... Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

Why Warm up Muscles?

Each week we set out to solve one of the world's weirdest, wackiest, funniest and funkiest scientific puzzles. And along with the answer there's a brand new question to think about for next time...