Dave Roos

Contributing Writer

Dave is a freelance journalist who has contributed hundreds of articles to HowStuffWorks since 2007. Raised in Pittsburgh, Pennsylvania, Dave attended Duke University where he earned the B.A. in comparative religious studies that has served him so well. Dave began freelancing when he and his wife moved to Mexico in 2003, publishing articles about Mexican food and culture in The New York Times, the Los Angeles Times and Newsweek. Nearly 15 years and three kids later, Dave and his family recently moved back to Mexico and just might stay a while.


RECENT CONTRIBUTIONS


How this relatively small Southern city beat out the others to become 'Music City U.S.A.'?

Although we associate adoption mainly with children, there are many good reasons why one adult may adopt another. There are also some fraudulent ones too.

If you're considering a hobby or career as a "ufologist" or paranormal investigator, there are a handful of routes that don't involve being personally abducted or applying to a secret government shadow agency.

Why would anyone pay more than $100,000 for a cat that only exists in pixels? And what can these virtual kitties teach us about blockchain technology?

A surprising percentage of Americans believe that Big Pharma is hiding the cure for cancer because there's a lot of money to be made treating the disease. Experts explain why this isn't true.

Hurt feelings are likely to result but experts say there are times when you should leave more money to one child in your will. Just don't keep everyone in the dark about it.

Data privacy concerns have prompted some new laws to go into effect in the European Union — and that means changes for consumers in the rest of the world too.

There's a whale of a difference between the United Kingdom and Great Britain. But whatever you do, don't call someone from Scotland "English."

Independent bookstores aren't dead! The buy local, shop local, eat local movement has kicked in and people are demanding the return of small, independent businesses in a world where the giants are trying to rule.

Which drives you crazier when on hold with a company? An endless loop of smooth jazz tunes or hearing "your call is very important" every 10 seconds? Scientists have actually studied what makes waiting on hold worse.

First ladies have traditionally played significant roles at the White House. But so far that work has been sans pay.

Most sleep experts recommend a nap of 20 to 30 minutes in the afternoon, but some say that longer naps bring about significant improvement in creative problem-solving.

Ever had a friend try to get you to sell Mary Kay, Rodan & Fields, Pampered Chef, jewelry, oils or some other product from home? How much can you really expect to earn doing these?

Whether you have an innie, an outie, or none at all (you'll have to read the article to find out how that's possible), we've got you covered.

Does your brain start to cramp at the thought of having to do math? Experts explain why some people have math anxiety and how they can overcome it.

Music festivals are a blast, but research shows they can also be a bummer for your ears. One study even says that alcohol, coupled with loud music, can make the hearing loss worse.

Think "all you can eat" means you get more than you paid for? As one restaurant expert put it, "The house always wins."

High-profile cases over the past few years have shown the benefits — and pitfalls — of asking the public to report any suspicious activities they notice to the police. When does that tip over into racial or ethnic bias?

Some kids have a lot of talent in music, art or math. Then there are those who are gifted beyond belief.

There are many everyday services that health insurance in the U.S. will often not cover. Here are some of them.