A birdbath draws attention: it’s highly visible and easy for us to notice and appreciate, especially when our local birds cluster around it with exuberant splashes. Yet, water is only half the story ...

The right depth can make your bird bath safer, more inviting, and a favorite gathering spot.

Regular dust bathing removes pest and parasites and keeps the wild bird's iridescent feathers in top condition. (Credit: Carla Rhodes) Sebastian Thrun on the Future of Learning Need a New Organ?