If you lived in the 1920s, you might have found a pamphlet advertising “the greatest therapeutic force known to mankind.” Radithor was a tiny bottle of clear, colorless water that claimed to cure acne, anemia, heart disease, poison ivy, impotence, asthma, and any other malady you could imagine.

There was only one side effect: DEATH.

So, why did 1920s Americans go gaga for radioactive water? Well, it’s complicated.

Host: Annie Colbert
Reported by: April White
Editing and graphics by Avital Oehler
Written and produced by Matt Silverman

In a remote area of the Siberian tundra, there’s a place that locals call ‘The Gateway to Hell.’ In the summer, its peaceful waterfall sounds are interrupted by the booms and crashes of falling earth.

And while it‘s not actually a portal to another dimension, the Batagay Crater (technically a “megaslump”) is an unsettling mark of our changing world.

Read more about the crater here:

Hosted by Annie Colbert
Reported by Lauren Leffer
Editing and Graphics by Avital Oehler
Written and Produced by Matt Silverman

Sammy Azdoufal just wanted to steer his DJI Romo with a gaming controller.

Read the full story on Popular Science: