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 Why Does Toothpaste Make Orange Juice Taste Bad?

Why does toothpaste make orange juice taste bad? Chuck recounts his first-hand experience, and how it works. See more »

How Trolley Problems Work

 How Trolley Problems Work

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. See more »

Can I feel pregnant when my wife is?

 Can I feel pregnant when my wife is?

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. See more »

Are Nazi War Criminals Still At Large?

 Are Nazi War Criminals Still At Large?

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. See more »

How Altruism Works

 How Altruism Works

Is there such a thing as a truly unselfish act? Check out this HowStuffWorks podcast and learn more about the nature of altruism. See more »

How Lame Ducks Work

 How Lame Ducks Work

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. See more »

How Grassoline Works

 How Grassoline Works

Could switch grass become the car fuel of the future? Learn more about alternative fuel in this HowStuffWorks podcast. See more »