Jon wanted to know whether approaching a fly slowly would make it easier to swat. With the help of animal vision specialist Kate Feller from Cambridge University, Michael Wheeler's been swotting up on swatting flies. Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

Is it safe to live near a cell phone tower?

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...