Chemistry is the science of matter and the changes it undergoes during chemical reactions. In this section, learn about everyday chemistry, from chlorine beach to helium, and even why chocolate turns gray.
If you've ever had a half-frozen beer explode on you, you know that yes, alcohol freezes — but not all types freeze at the same rate. We'll let you in on the secrets to frozen alcoholic delights.
It’s the ultimate cheat sheet for science class — and it’s right there hanging on the wall. What do you really know about the indispensable periodic table of elements?
The story of how the first new blue pigment in 200 years was discovered and took its place in the crayon box.
We hold our nose and investigate.
Why do most of us start relaxing as soon as we smell lavender or vanilla? Is it the memories they conjure up or is there a chemical reason?
You probably have a bottle of the stuff at your house. Have you ever seen it come in any color bottle besides brown?
The Trump administration quietly changed the rules on asbestos use in the U.S. What does that mean?
Scientists have developed a blood test that can give an approximate age of a person within an hour.
It's a force of habit to shake spray canisters, but when it comes to canned air, that inclination could cause frostbite.
There's some serious science behind the sparkle, with different metals, compounds and other elements creating the fun firework.
YouTube channel Let's Melt This has become an internet sensation. Why are we so mesmerized by videos of everyday objects undergoing phase change?
A molecule used to protect the chlorine in swimming pools from sunlight could be key to building new kind of DNA structures
Developed in Israel, this foul-smelling liquid has been used on Palestinian and Israeli protesters … and it's showing up in the United States.
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.
These small molecules are the foundation for much bigger things, from ordinary household products around us to essential components within our bodies.
Polymers are the basic components in so many of the products we use each day.
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.
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."
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?
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.
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.
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?
That's one seriously big number, and technically Amedeo Avogadro didn't even come up with it. So how did the Italian chemist make such an indelible (numerical) mark on the wonderful world of chemistry?
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.
Mass spectrometry enables the major league to sniff out athletes guilty of doping. It can also help us locate oil or design a killer perfume. Who says chemistry isn't cool?
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