Why does the same musical note sound different when played on different instruments? Why does, for example, an A-sharp on a piano sound different to an A-sharp on a trumpet? Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

Can we exercise our brain to improve at difficult tasks?

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...