Cruelty, violence, badness...
The greatest mysteries all have a shadowy figure at the center-someone who sets things in motion and holds the key to how the rest of the story unfolds.
In epidemiology, this central character is known as Patient Zero-the case at the heart of an outbreak.
So much of life is organized by cycles-seasons, biological rhythms, even our ideas of consciousness.
A good game... whether it's a pro football playoff, or a family showdown on the kitchen table... can make you feel, at least for a little while, like your whole life hangs in the balance.
Radiolab attempts to figure out what machines can tell us about being human.