Acids are widely considered to be the scariest chemical compounds of all, but bases can be just as powerful. Most powerful of all are a special class of pH scale-defying bases called superbases!

If our teeth are made mostly of calcium, why do we use fluoride to keep them healthy? Quick Questions explains why, and how we finally figured it out.

With sandwiches and toast, sourdough bread always adds an extra accented flavor to your meals. But where does the signature tartness come from?

It's common knowledge: you drink a lot of coffee, you're definitely going to poop. What isn't common knowledge is why your body reacts that way

Different fuels create different types of fires, and each one needs to be extinguished using a specific strategy. Do you know which class of extinguisher is needed for different fires?

Hank shows us another SciShow: Experiment! This time he's tackling what may be the most cliche, well-known and misunderstood experiment of all time: the lemon battery. The take home message in this one is: the electricity is NOT in the...

Vinegar may have a powerful smell, but did you know it's actually a weak acid? In the chemical economy, acids actively give away their protons while bases actively collect them -- but some more aggressively than others. George Zaidan and...

In this video Paul Andersen explains how acid-base chemistry can be understood in terms of equilibrium. Water is present in all acid-base chemistry and is amphoteric in nature. The Ka and Kb values can be used to determine the strength...

Today's episode dives into the HOW of enthalpy. How we calculate it, and how we determine it experimentally...even if our determinations here at Crash Course Chemistry are somewhat shoddy.

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In this episode, Hank goes over Reversible Reactions, the water dissociation constant, what pH and pOH actually mean, Acids, Bases, and Neutral Substances as well as the not-so-terrifying Logarithms, strong acids, weak acids,...

Paul Andersen explains pH as the power of hydrogen. He explains how increases in the hydronium ion (or hydrogen ion) concentration can lower the pH and create acids. He also explains how the reverse is true. An analysis of a strong...

Your body produces more than a liter of mucus every day, and when you're sick, it can be hard to miss. But what exactly is mucus? And what does it do, besides making you miserable? Katharina Ribbeck reveals the mysteries of this...

Powder vs. Soda: an important distinction!

Learning to talk about chemistry can be like learning a foreign language, but Hank is here to help with some straightforward and simple rules to help you learn to speak Chemistrian like a native.



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New ReviewThis video will explain the process you go through to conduct an Acid/Base Titration using a Strong Acid and a Strong Base. We also show you an easy way to do acid/base titration calculations!

Spangler has the cure!

Naked mole-rats are not keeping their weirdness on the inside. And all their superficial strangeness—the distinctive look, the complex underground society, even the strategic poop-eating—is just the tip of the weird iceberg.

Why Do Onions Make Our Eyes Water?

Howcast - Learn about marinating meat for a barbecue from Pork Barrel BBQ pitmasters Heath Hall and Brett Thompson in this Howcast video.

Howcast - Learn what pregnancy exercises to avoid if you have heartburn from fitness expert Cait Morth in this Howcast workout video.

Howcast - Check out part 21 and join the war between the Autobots and Decepticons in Activisions' newest release, Transformers: Fall of Cybertron

Howcast - Learn how to treat and prevent heartburn from gastroenterologist Lisa Ganjhu, M.D. in this Howcast video about stomach problems.

Howcast - Learn about using apple cider vinegar to treat acid reflux from gastroenterologist Lisa Ganjhu, M.D. in this Howcast video about stomach problems.

Howcast - Learn about heartburn from gastroenterologist Lisa Ganju, M.D. in this Howcast video about stomach problems and digestive disorders.