20: The Math of Conspiracy Theories, Why is P...

It's the Best of Everything! The episode where we look at the topics that YOU thought were our best from the past year, and chat some behind the scenes about them! It's a great place to start and a great time to brush up on things you may have forgotten. Images we Talk About: Etc ...  Show more

You may know the polygraph is junk science, but what is the real science of lying and what wild turns did the polygraph take to get to today? And how old is dentistry? If ancient cave men didn't brush why do I have to? Well it turns out for good reason, and some fascinating denta ...  Show more

Although the International Astronomical Union demoted Pluto from a planet to a dwarf planet in 2006, some scientists think it deserves to be reinstated. Learn why in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/pluto-is-it-planet-after-all. ...  Show more

This week, we investigate the mysteries of Pluto's iconic heart-shaped feature. We explore recent research on the origins of the Sputnik Planitia region and what it can tell us about whether or not the dwarf planet has a subsurface ocean. Our guest, Adeene Denton from the Univ ...

Evidence suggests a massive world called Maldek once existed between Mars and Jupiter. This planet had a large moon that orbited it for millions of years—a moon with oceans, atmosphere, and possibly even life. When Maldek was destroyed in an ancient catastrophe, its moon was hurl ...  Show more

A ninth planet may be lurking in our Solar System out beyond Neptune. Caltech's Mike Brown and Konstantin Batygin join us to discuss their new paper, the latest evidence for Planet 9, and why they believe their hunt may soon be over. Then, Bruce Betts, chief scientist of The P ...