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A Breathalyzer for Drugs? We're Not There Yet

electronics.howstuffworks.com/gadgets/automotive/breathalyzer-drugs-not-there-yet.htm

It's a lot harder to develop a breath test for marijuana and opioids than it is for alcohol. HowStuffWorks explains why.

License Plates Are Going Digital

auto.howstuffworks.com/tech-transport/license-plates-are-going-digital.htm

Digital license plates are coming. HowStuffWorks looks at how digital license plates will change registration, Amber Alerts and even advertising.

Can You Sue Over 'Third-hand Smoke' Exposure?

people.howstuffworks.com/can-you-sue-thirdhand-smoke-exposure.htm

Could there be a day when people sue over tobacco residue left behind in a building's walls or carpet? HowStuffWorks investigates.

Euthanasia Coaster: A Roller Coaster Designed to Kill Riders

entertainment.howstuffworks.com/euthanasia-roller-coaster-the-movie.htm

In 2010, a Lithuanian artist conceptualized a roller coaster fast enough to kill people who wanted a novel way to die. The idea is resonating again.

6 Cool Innovations That Could Change Air Travel Forever

science.howstuffworks.com/transport/flight/modern/6-cool-innovations-that-could-change-air-travel-forever.htm

Choosing your seatmates through social media? Facial recognition technology to match you and your luggage? The airline industry has the ideas... but will it adopt them?

Where Did 'Shirt and Shoes Required' Come From?

people.howstuffworks.com/where-did-shirt-shoes-required-come.htm

Where did "no shirt, no shoes, no service" come from? Blame the hippies, says HowStuffWorks.

Former Jocks Report Happier Lives (Unless They Played Basketball or Football)

entertainment.howstuffworks.com/former-jocks-report-happier-lives-unless-played-basketball-football.htm

A study shows that former college athletes have happier lives than nonathletes - unless they played a marquee sport. HowStuffWorks Now explains why.

Monk Fruit Is Nature's Zero-calorie Sweetener

recipes.howstuffworks.com/monk-fruit.htm

China banned export of the fruit in 2004, so you'll likely never try it fresh. But you've probably already had its extract and didn't even know it.

Marzipan Is the Sweet Almond Treat You Need This Holiday

recipes.howstuffworks.com/food-facts/marzipan.htm

Some form of marzipan can be dated back to ancient Egypt. But today this sweet confection is as traditional a holiday treat as they get.

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