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


Is it better to give cash or goods? And which organizations should you support? Find out the best ways to really help people in times of disaster.

Credit monitoring bureau Equifax was hacked and is offering fraud monitoring services for free. But experts say they're pretty useless.

The Danish people are among the happiest on the planet. Here are 5 reasons why.

Spending goes up on construction and repairs after a disaster. But experts say it doesn't make the local economy better.

Some countries have started allowing people to choose an 'X' on their passports to indicate an unspecified sex. Many people argue that's not enough and gender classifications don't belong on government documents at all.

'You really can't describe to anybody what it's like to sit through a hurricane,' says Ruth Clark, who lived through Hurricanes Camille and Katrina.

Martin Luther had many grievances against the Roman Catholic Church. Including their ban on butter.

Do producers of shows like "Seinfeld" and "Louie" think comedians wouldn't respond to different names? Or that the audience wouldn't?

Although internet addiction is classified as a national epidemic in some Asian countries, the U.S. has been slower to make that assumption. But is that caution justified?

Some say that publishing someone's personal information online for the purpose of harassment is bad, even if that person spouts hate speech. Do you agree?

Is the campaign to re-elect President Trump crossing the line with its new Facebook "News of the Week" report? Some think so.

You should consider the thread count when buying sheets, but it's not the only thing that matters, say experts.

The myth of the ninja has intrigued the world for centuries. A new Japanese research center is out to solve it.

Small towns in Idaho, Nebraska and Illinois are trying to figure out how to handle an unknown number of eclipse-trippers. Estimates range from 40,000 to 80,000 visitors.

Even if the film is full of blasting bombs and flashing lights, it might not be enough to stop some folks from nodding off.

Michael Phelps is racing a shark for TV glory. But does he have a fighting (or swimming) chance?

Suppose a smart home device was programmed to call the police if it heard certain words or sounds? Good idea or bad?

People claim to hate pop-ups ads, and their more recent successor, the hover ad. Yet they still click on them. Here's why.

During America's War for Independence, the British promised enslaved Africans their freedom if they'd join their side. Thousands signed up.

Many articles have been written about the positive effects of travel. But can it also be too much of a good thing?