This week we find out why the camera loves some of us and seems to seek revenge on others as we investigate what makes someone photogenic... Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

Are humans the only species to drink the milk of another?

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...