Had the pleaseure of meeting science writer Philip Ball recently, and I interviewed him for the Guardian's Science Weekly podcast about his new book, Invisible: the Dangerous Allure of the Unseen. If you've ever wondered what possible use there could be for scooping out a live owl's eyes and burying them, get yourself a copy.

Click here to have a listen – it's around 25 minutes long.

Actually, while I'm on, here's another couple of interviews for the same podcast, from a few months ago: Trevor Cox on the sonic wonders of our planet, and Michael Bond on the "power of others".