John Perritano

John Perritano is an award-winning journalist and author, and regular contributor to HowStuffWorks. He likes writing about science, history, sports and anything else that helps pay the mortgage. You might have noticed that he often mentions his favorite family members — his dogs — in his articles. John holds a master’s degree in U.S. History from Western Connecticut State University, and has worked for many publishers including Time-Life, National Geographic, Scholastic and others. He lives in Southbury, Connecticut, on “Big Dog Farm.” It’s a real place. Honest. It even has a sign.

Recent Contributions

Compared to standard heating and air systems, going green is better for the environment -- and your wallet because they use less energy. So what kind of green HVAC systems are on the market today? Read on to find out.

By John Perritano

Meteorologists have hurricane prediction down to a science, so preparedness should be the same thing too. Find out how to be ready if the big one's coming.

By Alison Cooper & John Perritano

Don't wait until there are storms in the forecast to get prepared. Gather the 10 must-have items for your storm survival kit now.

By John Perritano

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Before you rev up your mower for the latest cut of the season, learn (or relearn) what not to do to your lawn. You can thank us later.

By Alia Hoyt & John Perritano

Homeowners are now beginning to discover the color of home insulation isn't just pink. It can also be green -- as in eco-friendly. But does it cost an arm and a leg?

By John Perritano

Could manipulating the human brain's desire for sweet foods lead to new weight control methods and better treatments for eating disorders?

By John Perritano

We've all seen shots of meteorologists fighting gale-force winds to report on storms. So just how high can the winds get before the reporters are knocked off their feet?

By John Perritano

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Pressure washing can be so satisfying on some primal level, but the right equipment makes all the difference. And remember, safety first.

By John Perritano

Square waves also called Cross-sea waves may looks super cool. But you never want to get caught up in the grid-patterned waves they generate.

By John Perritano

It's hard to look up in the sky on a clear day and not see a "cloud" trailing from an airplane. They're called contrails, though some refer to them as "chemtrails" and have odd explanations for their existence.

By Jane McGrath & John Perritano

Decades before you ever heard of the Higgs, this multinational particle physics lab was smashing its way to answers about how the universe worked. Pop inside CERN just as half of the world's particle physicists do every year.

By John Perritano

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The categories of hurricanes are defined by wind speed and wind-caused building damage. The scale was created to communicate needs for post-storm resources.

By John Perritano

You probably have a bottle of the stuff at your house. Have you ever seen it come in any color bottle besides brown?

By John Perritano

Most experts agree that the all-volunteer military is what makes the U.S. armed forces the best in the world. Would that change if the draft was reinstated?

By John Perritano

There's no denying reality TV's prominence in culture. But is it influencing Americans in a positive or negative way?

By John Perritano

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How could we run out of trademarked words? It sounds impossible, but it's growing more and more likely.

By John Perritano

Bloodhounds, with their floppy skin and gangly ears, are the quintessential tracking dogs, and there's good reason.

By John Perritano

Most jellyfish are more bothersome than threatening, but the box jellyfish is so poisonous you might not make it out of the water alive.

By John Perritano

Mega Millions and the Powerball lotteries have collectively hit over $1 billion. But if you happen to win one (or both) how much will Uncle Sam want?

By John Perritano

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Slipping your dog a little human food once in a while is fine, but be aware that some human foods are toxic to Fido.

By John Perritano

Biofuels -- or fuels made from plants like wheat, corn, soybean and sugarcane -- burn clean, release fewer pollutants and greenhouse gases, and are sustainable. Could these "energy crops" really be the end to our addiction to fossil fuels like oil?

By John Perritano

If you're moving from one city to another, pack some extra tissues because it's true: Seasonal allergies can flare up when you relocate and are exposed to new allergens.

By John Perritano

Some of the arguably greatest movie scenes of all time were filmed using Steadicams. These ingenious camera stabilizer systems allow filmmakers to produce moving, hand-held shots with no shakes at all. Can amateurs also take advantage of these super smooth stabilizers?

By Tom Harris & John Perritano

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With the recent NFL draft, players are now negotiating contracts. Learn how the NFL's salary cap works, and how teams work under the salary cap with trades, signing bonuses, and other financial maneuvering.

By John Perritano

Blue light glasses are super popular these days. But do they work the way marketers promise?

By John Perritano