Chemical Compounds

Chemical compounds are substances that form when two or more elements are joined together. Most of the atoms that form living organisms and the Earth's crust are in compound form. Check out these great articles on chemical compounds.

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How Anesthesia Works

If the idea of being completely knocked out by a cocktail of drugs while doctors operate on you freaks you out, you're not the only one. But that's not what anesthesia is all about it -- and it might scare you less if you understand how it works.


How Nitrous Oxide Works

At the same time scientists discovered that nitrous oxide could numb agonizing pain, they also found it could make you really lightheaded and silly. Yes, huffing parties started in the 1700s.

Does alcohol freeze?

If you've ever had a half-frozen beer explode on you, you know that yes, alcohol freezes -- but not all in the same way. We'll let you in on the secrets to frozen alcoholic delights.

10 Things You Should Never Mix With Alcohol

Juice and soda mix well with alcohol, but a few things don't mix so well. Some may just produce embarrassing moments. Others could cost you your life.

Is krokodil really a flesh-eating zombie drug?

Imagine taking a substance that turns your skin green and scaly, then rots your flesh. It's not sci-fi. It's the reality of injecting krokodil, also known as the "flesh-eating zombie drug."

How Bath Salts Work

For a time, this designer drug was legal and available. And then ERs across the U.S. recorded 23,000 visits associated with bath salts in 2011, and the U.S. banned them and other synthetic drugs in 2012. What's the scoop on this relative newcomer?

10 Performance-enhancing Drugs That Aren't Steroids

Lance Armstrong, Jose Canseco, Mark McGwire: The list of superstar athletes accused of -- or admitting to -- taking performance-enhancing drugs is almost as impressive as the number of sports that they compete in. And we're not just talking about steroids anymore.

Are compounding pharmacies regulated?

Compounding pharmacies don't usually get a lot of media coverage for good news. It's the mistakes that tend to make the evening news. It turns out that U.S. regulatory practices for compounding pharmacies tend to follow much the same pattern.

What's a compounding pharmacy?

If a drugstore is the equivalent of a 7-Eleven where you can pick up ready-made apple pie pockets, then a compounding pharmacy is your corner bakery where an individual tart is made just for you. But are these specialized pharmacies safe?

How Snus Works

First there was Volvo. Then came IKEA. Well get ready for the next major Swedish export: snus, a smokeless tobacco product, similar to dip or chew.

How Perfume Works

We once emptied the scent pods of male musk deer into a bottle of fragrance and doused it on, feeling like a million bucks. How has perfume changed since then?