I am at the very centre of the great white continent, Antarctica. The South Pole is about half a mile away. For a thousand miles in all directions, t… - David Attenborough

You might think that a hornbill would have the most powerful excavation tool of all, but in fact its huge beak is a relatively delicate structure and no use at all as a chisel.

Human beings are good at many things, but thinking about our species as a whole is not one of our strong points. m4s45-m4s53

I don't think any human society is prepared to make decisions which they may not like if they're made by people who don't speak the same language... It's very easy, as we all know, to be very tolerant of minorities until they become majorities and you find yourself a minority. It's easy to say 'Oh yes, these lovely people – I love the way they wear such interesting costumes.' You know, that's fine until some day you find that they're actually telling you what to do and that they've actually taken over the town council and what you thought was your home was not. I'm not supporting it; I'm saying it's what it is.