Stuff You Should Know

How does isolation spur evolution? Check out this HowStuffWorks podcast to learn more about speciation and evolution. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Why does toothpaste make orange juice taste bad? Chuck recounts his first-hand experience, and how it works. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

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. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Sympathy pregnancy is the condition where a man feels pregnant while his wife actually is. Learn more about the symptoms for sympathy pregnancy in this HowStuffWorks podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

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. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Is there such a thing as a truly unselfish act? Check out this HowStuffWorks podcast and learn more about the nature of altruism. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

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. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Could switch grass become the car fuel of the future? Learn more about alternative fuel in this HowStuffWorks podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.