Dolphins are one of the most social mammals. They are highly intelligent as well, utilizing their communication skills to both cooperatively hunt and learn what is socially acceptable within a pod.

When you purchase products through the Bookshop.org link on this page, Science Friday earns a small commission which helps support our journalism. One summer day when we were kids, my brother and I ...

Your speakers are the most important part of your audio setup, but do you know how they're able to playback multiple sounds at once from your devices?