Stuff You Should Know

There’s a very good question that no one has yet satisfactorily answered: Where did life on Earth come from? Some look to the Red Planet as the source of life here, which, if correct, would make us all Martians. Is there anything to this out there claim?

There's a very good question that no one has yet satisfactorily answered: Where did life on Earth come from? Some look to the Red Planet as the source of life here, which, if correct, would make us all Martians. Is there anything to this out there claim?

If you want to control the masses, control what they read. After all, books are seeds that germinate new points of view. As a result, the struggle against banning books is contentious and continual. Learn more about banning books in this episode.

If you want to control the masses, control what they read. After all, books are seeds that germinate new points of view. As a result, the struggle against banning books is contentious and continual. Learn more about banning books in this episode.

When Alfred Kinsey conducted his sex surveys he turned up, but ignored, a fourth sexual orientation: people who don’t experience sexual attraction. It took 60 years for Group X to gain a name and recognition, but with that has come increased scrutiny.

When Alfred Kinsey conducted his sex surveys he turned up, but ignored, a fourth sexual orientation: people who don't experience sexual attraction. It took 60 years for Group X to gain a name and recognition, but with that has come increased scrutiny.

Science has a handle on fireflies and glowworms, but most bioluminescent animals live in the ocean and are tough to study. Today, researchers are still figuring out why some animals produce light. Dive with Josh and Chuck into this illuminating topic.

Science has a handle on fireflies and glowworms, but most bioluminescent animals live in the ocean and are tough to study. Today, researchers are still figuring out why some animals produce light. Dive with Josh and Chuck into this illuminating topic.

Over the course of human existence, thousands of nuclear weapons have been exploded on Earth and in space. With all of those tests, one can't help but wonder how much fallout has been produced. Learn the tricks of the nuke-testing trade in this episode.

Over the course of human existence, thousands of nuclear weapons have been exploded on Earth and in space. With all of those tests, one can't help but wonder how much fallout has been produced. Learn the tricks of the nuke-testing trade in this episode.