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.
How Nitrous Oxide Works
Nitrous oxide can numb agonizing pain and make you really lightheaded and silly. Learn more about how nitrous oxide works. See more »
Does alcohol freeze?
Yes, alcohol freezes -- but not all in the same way. Learn more about how alcohol freezes. See more »
10 Things You Should Never Mix With Alcohol
Some things mix well with alcohol and some don't. Here are 10 things that don't mix well with alcohol according to HowStuffWorks. See more »
Is krokodil really a flesh-eating zombie drug?
Imagine a drug that turns your skin green and scaly, then rots your flesh. Find out how krokodil became known as the flesh-eating zombie drug at HowStuffWorks. See more »
How Bath Salts Work
You might be wondering what bath salts are and how they work. Learn about bath salts, the designer drug, and their effects at HowStuffWorks. See more »
10 Performance-enhancing Drugs That Aren't Steroids
The term 'performance-enhancing drug' doesn't just mean steroid anymore. Learn about these 10 performance-enhancing drugs that aren't steroids. See more »
Are compounding pharmacies regulated?
Are compounding pharmacies regulated? Find out whether compounding pharmacies are regulated at HowStuffWorks. See more »
What's a compounding pharmacy?
What's a compounding pharmacy? Find out whether they're safe and what makes a drugstore a compounding pharmacy. See more »
Test Your Knowledge: Male Birth Control Quiz
How much do you know about male birth control developments? Test your knowledge of male birth control with this quiz at HowStuffWorks.com. See more »
How Snus Works
Snus is a smokeless tobacco product, similar to dip or chew, that is produced in Sweden. See the pros and cons of snus and how snus is made. See more »
Loading more content
Dear Tony Robbins, THIS Is How You Walk on Hot Coals
Hubble Captures New Images of Jupiter's Northern Lights
Could Your Smartphone Cause Temporary Blindness?
See More Headlines »