BrainStuff Classics: What Animal Has the Best...

This four-legged prehistoric animal had a bony sail on its back and was probably scaly, but it was more closely to related to mammals than it was to dinosaurs. Learn about Dimetrodon and other synapsids in today's episode of BrainStuff, based on this article: https://animals.hows ...  Show more

Samhain is a pagan holiday -- celebrated between the fall equinox and winter solstice -- that helped form modern, secular Halloween celebrations. Learn about Samhain in today's episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/holid ...  Show more

Narwhals, recognizable by their large single tusk, make distinct sounds that are now being analyzed in depth by researchers. Learn more about your ad choices. Visit megaphone.fm/adchoices 

Narwhals, recognizable by their large single tusk, make distinct sounds that are now being analyzed in depth by researchers. Learn more about your ad choices. Visit megaphone.fm/adchoices 

Bottlenose dolphins simplify and raise the pitch of their whistles to be heard above underwater shipping noise. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices