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Culture | People | Funny Questions Kids Ask

How Carnival Works

 How Carnival Works

Carnival festivities are all about local flavor, and in Rio, that means samba. At the most famous Carnival in Brazil, you'll find dancers, musicians and over-the-top extravagance. See more »

How Smart Rearview Mirrors Work

 How Smart Rearview Mirrors Work

Nissan's Smart Rearview Mirror is the world's first LCD monitor that helps you see more clearly what is behind your vehicle when you're driving down the road. See more »

Are courtesy flushes useful -- or healthy?

 Are courtesy flushes useful -- or healthy?

It may shock you, but there's never been a widespread study conducted on the sanitation or the necessity of the courtesy flush. Can this practice inflict grievous bodily harm on your hindquarters -- and the environment? HowStuffWorks weighs in. See more »

Did Einstein really fail math?

 Did Einstein really fail math?

Einstein's genius supposedly had at least one glaring flaw -- that he failed math at some point in his educational career. See more »

How to Make Money Without a Job

 How to Make Money Without a Job

Having no job doesn't have to equal having no money. There are many ways to make a little cash without having to put in a day's work. See more »

How Synesthesia Works

 How Synesthesia Works

Kanye West says he says sees music in color. Other people can hear words that make them taste a particular flavor, or they actually feel another person's pain. Welcome to the world of the synesthete. It's a stimulating one. See more »