292 | Jonathan Birch on Animal Sentience

2320.343 - 2343.641 Sean Carroll

And it's always hard. It's a challenge. This is why I always say that physics is much easier than this kind of science. Because we see a behavior, and we know if we were doing that behavior, how we would explain why we did it. And then we're impressed when we see some other species do it. But maybe they're just using a different mechanism than we are, and we shouldn't be as impressed.