The nuclear waste we produce will be dangerous for a very long time. We’ve figured out how to safely store it in the earth until it’s no longer a biohazard. Now we just have to figure out how to warn humans 10,000 years in the future to stay away from it. Find out about our best ideas in this classic episode.

Keeping Time
50:27

Selects: BPD: The Worst Disorder or Not a Disorder at All?
50:55

Data Centers: Can't Live With Em, Can't Live Without Em
48:14