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.
After the close of World War II, Nazi war criminals fled Europe and attempted to hide under assumed identities. Some may still be at large. Learn more about Nazi war criminals in this HowStuffWorks podcast.
In U.S. politics, a lame duck is a president who will not be re-elected because he or she has been passed over for election, or already served the maximum two terms. Learn more about the origin of lame duck presidents in this HowStuffWorks podcast.