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.
Cadmium: The Highly Toxic Metal That Powers the World
Rhodium Is Earth's Rarest and Most Expensive Precious Metal
Scientists Unlock Secrets of H-bomb Element Einsteinium
What's the World's Strongest Superacid?
National Chlorine Shortage Could Spoil the U.S. Summer
Untangling the Conspiracy Theories Around Adrenochrome
How Do Disposable Hand Warmers Work?
Why Do Bubbles Pop?
What Is the Krebs Cycle?
The science is pretty simple. It's all about oxidation (the chemical reaction that makes rust). It's just sped up super fast.
All bubbles pop — that's a fact of life. But what's the science behind the short life and inevitable pop of a bubble?
Superacids are those with an acidity greater than sulfuric acid. So which is the most super of superacids and what exactly is it used for?
Cadmium is a natural metal and the leading component in rechargeable batteries and solar cells. It is also highly toxic and heavily regulated.
The main function of the Krebs cycle is to produce energy, stored and transported as ATP or GTP, to keep the human body up and running.
Discovered in the early 1800s from a chunk of smuggled platinum ore, rhodium is the most valuable precious metal on the planet today, used mainly for keeping car emissions in check.
A perfect storm of circumstances combined to create what one pool industry expert is calling "poolmageddon." Why? Because there's a major lack of chlorine in the U.S. right now. How will it affect the pool season?
Adrenochrome has been linked to schizophrenia and the LSD counterculture movement. Now QAnon conspiracy theorists say it's part of a child sex-trafficking cult. So what's the truth behind this chemical compound?
Is there anything glycerine can't do?
Scientists at the Lawrence Berkeley National Laboratory just made history with einsteinium. They held a sample of the short-lived element long enough to measure some of its chemical properties.
By Dave Roos
More than fodder for melt-in-your-hand YouTube videos, gallium is a key component in LED lights and the powerful microchips in your smartphone.
By Dave Roos
Although the term might be unfamiliar, you know all about alkali metals. Ever used salt or eaten a banana? So, what special properties do these elements have?
You might wonder what phosphates do, but they are so intrinsic to our daily lives that the question really is: What don't phosphates do?
Tungsten's hardness and heat resistance make it a must for products like rocket engine nozzles, armor-piercing bullets and even the humble light bulb filament. In fact, pure tungsten boils at 10,030 F, the same as the photosphere of the sun.
By Dave Roos
Terpenes are the aromatic organic compounds found in nature that give us many of our favorite fragrances. They are also known to have surprising health benefits.
Don't know your fool's gold from the real deal? We'll tell you how to tell what's pyrite (aka fool's gold) and the good ol' 24 karat stuff you want.
By Mark Mancini
There's some serious chemistry behind the flavor in your favorite brew and esters are the compounds responsible for it.
The two different types of alcohol are commonly used in hand sanitizer today. But does one work better than the other?
Electrons are attracted to some atoms more than others. If two atoms are of equal strength, the electrons will be equally shared. If one atom is stronger, the electrons will be pulled in that atom's direction.
Diatomic elements are molecules composed of only two atoms, every time, always. There are only seven of them on the entire periodic table.
Denatured alcohol is useful for lots of things, but drinking definitely isn't one of them.
Bismuth is a naturally occurring element with many applications in our daily lives, but even more than that, it looks amazing when it cools!
It's an odorless gas that's present in a variety of home products, cosmetics, car exhaust and even humans. But is it bad for us?
Making chemical compounds is a lot like dating. Some ions are naturally compatible; others hook up out of desperation.
Long-banned in the U.S., except for religious purposes, peyote is starting to be decriminalized in some cities. But is that a good thing for this endangered plant?