The trolley problem is an ethical dilemma that proposes a difficult decision about choosing whether a group of strangers lives or dies. Learn more about ethics and the nature of sacrifice in this HowStuffWorks podcast.
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Selects: How Narcolepsy Works
52:41

Rope, yeah ROPE!
43:31

Short Stuff: Did a shipwreck double the size of the United States?
11:46