Dave Roos

Dave Roos

Contributing Writer

Dave is a freelance journalist who has contributed hundreds of articles to HowStuffWorks since 2007, with a specialty in personal finance, economics and business. Raised in Pittsburgh, Pennsylvania, he 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

Shabbat is the holiday that is central to Jewish life, occurring every Friday at sunset to Saturday night. But what is it and how is it observed?

By Dave Roos

The Dalai Lama stresses practical wisdom in his words about finding joy and peace, and spreading kindness. These are ideas we can all get behind.

By Dave Roos

Monopoly is one of the world's most popular board games with a storied history. But how do you even win this long game of monopolizing money?

By Dave Roos

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Sharia, which is Islamic law, can strike some people in the West as draconian and harsh. Is this an accurate portrayal?

By Dave Roos

The answer to that question can vary widely but there are some basic things to keep in mind.

By Dave Roos

OK, so volts measure the potential for energy to travel, and ohms measure the resistance to the electrical flow, but what are amps and watts?

By Dave Roos

You've lost your job and gotten behind with your rent. You know your landlord is looking for you. What's the best way to handle this and avoid eviction?

By Dave Roos

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In both Hebrew and Greek, letters have numerical values, so many people, both in the past and today, saw hidden meanings in words as well as numbers found in the Bible. Here are just a few examples.

By Dave Roos

It's not just people on the top. Even janitors and home health aides are often asked to sign noncompete agreements. Why's that? And will a company really sue you if you break one?

By Dave Roos

This was no mere execution. In addition to being hanged until "almost" dead, body parts were taken out and burned before the head was cut off. And we haven't got to the quartering yet.

By Dave Roos

Nietzsche's prose is playful, but its meaning is often opaque. Though perhaps we should expect nothing less from a philosopher who wrote, "I am not a man. I am dynamite."

By Dave Roos

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The United States spends a huge chunk of its national paycheck on debt obligations. Where is all that money going?

By Dave Roos & Melanie Radzicki McManus

He makes just one brief appearance in Genesis, yet he's been seen as a precursor of Jesus Christ. What was he really and how did he become associated with Jesus?

By Dave Roos

Why do we love looking at a perfectly stacked display of soup cans or six flower petals around a stamen? Our brains seem wired for it -- but why?

By Dave Roos

Every month, the U.S. Bureau of Labor Statistics releases a report that looks at the unemployment rate, among other job-related data in the country. But who counts as "unemployed" can be tricky.

By Dave Roos

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You'd think that everyone who works in Hollywood is filthy rich, but many of the best-paying jobs aren't the ones you immediately think about. Here are 10 to watch.

By Dave Roos & Melanie Radzicki McManus

Brazenly ambitious, he became king of Scotland and won independence from the despised English to become a legendary figure of Scottish national pride, just like William "Braveheart" Wallace.

By Dave Roos

The New Testament is full of tense exchanges between Jesus and the Pharisees, who often tried to trip him up in legalistic debates. But who were the Pharisees really and what did they believe?

By Dave Roos

The phrase "systemic racism" has become very widespread in the U.S. in the past year or so, but what does it really mean?

By Dave Roos

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‌It's one of the largest religions on Earth but little-known in the West, where its practitioners are often mistaken for Muslims or Hindus. What else should we know about the Sikh faith?

By Dave Roos

The BLS Report that showed a 4.2 percent inflation rate for April had many people wondering if a period of high inflation was coming. Here are some smart money moves to make if it does happen.

By Dave Roos

During World War II, a U.S. ship mysteriously disappeared in Virginia and reappeared suddenly in Philadelphia, with some crewmen embedded in the ship's hull. Was this the work of government experiments with time travel or of a wild imagination?

By Dave Roos

Inflation is often defined as too many dollars chasing too few goods. But what does that really mean? And how does it affect the price of goods?

By Dave Roos

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Nearly any discussion around the Israeli-Palestinian conflict will include the word Zionism. But what does it even mean, and how has Zionism changed over the course of history?

By Dave Roos

Gas prices are notoriously volatile. Does the president have any control over how much you pay at the pump?

By Dave Roos