The best way to learn how to do chemistry problems is to practice, practice, practice. Chemistry texts work an example or two and often have answers to questions in the ... Read More

Leaves are starting to pick up their seasonal colors. You can get a look at the changing pigment chemistry firsthand from the comfort of your own home. In addition to ... Read More

Are you looking for a way to work at home in the sciences? Here is a list of employment options, with notes on what to expect when you make the ... Read More

Sugar crystals are also known as rock candy since the crystallized sucrose resembles rock crystals and because you can eat your finished product. You can grow clear sugar crystals with ... Read More

Autumn is just around the corner. The season may not officially start for a while, but shorter days and changing leaf colors are an ongoing process. Why do leaf colors ... Read More

Do you know the chemical composition of the human body? Here's the list of elements, given in percentage according to weight.List of Elements | Element of the Week E-course

One thing leads to another. I recently bought my first home, in a Southern state, and have been gathering local lore. I've learned about rice plantations and how small patches ... Read More

Even the most devoted scientist can't memorize every datum used for chemistry. The Charts & Tables section is a growing compilation of facts and figures, including: Timeline of Element Discovery Heats of ... Read More

The Molecules section contains essential information about major classes of molecules, like proteins, amino acids, and functional groups, but you'll also find more detailed facts on specific molecules, like these: Lycopene Theobromine Nepetalactone Diamond Caffeine Ricin BHA ... Read More

The liqueur absinthe has been enjoying a resurgence in popularity, as countries continue to lift the ban on making and drinking the green anise-flavored spirit. Absinthe was banned in many ... Read More

Have you ever wondered how smoke machines work or wanted to make your own smoke or fog? Here's your chance to find out about the chemistry behind manmade fog. I've ... Read More

How well do you understand the basic concepts of acids, bases, and pH? Here's a ten question multiple choice and true/false quiz you can take to test yourself. Take the ... Read More

Recrystallization is a laboratory technique used to purify a sample based on the different solubilites of its components. Learn how to perform a recrystallization and get tips on how to ... Read More

Here's a look at some of the most popular search terms at About's Chemistry site this week. Remember, you can also find chemistry topics using the alphabetical index. Reverse Osmosis How to ... Read More

Carbon monoxide poisoning is the leading cause of accidental poisoning deaths in America. You can get a carbon monoxide detector, but they aren't as readily afforable as a smoke detector, ... Read More