Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Robyn Williams: And still on robots, bigger ones this time, can you imagine anything more cruel than ...

NOVA: I've heard that you have used robotic female bowerbirds. Why? Borgia: One of my students, Gail Patricelli, has just gotten a paper accepted at Nature that describes how she has used a robotic ...

You have reached your maximum number of saved items. Remove items from your saved list to add more. There are goals you set yourself as an amateur birdwatcher – not the competitive tally of species, ...