Crash Course
More EAS & Benzylic Reactions: Crash Course Organic Chemistry
We’ve already learned a lot about electrophilic aromatic substitution (EAS) and benzene, but guess what? There’s even more to learn! In this episode of Crash Course Organic Chemistry we’ll revisit our old friends the Friedel-Crafts...
Amoeba Sisters
Photosynthesis: The Amazing Process of Plant Food Production
Explore one of the most fascinating processes plants can do: photosynthesis! In this Amoeba Sisters updated photosynthesis video, you will find a general overview of the light dependent and light independent reactions (Calvin Cycle) and...
SciShow
What Do Food Expiration Dates Actually Mean?
Sell By, Best By, and Use By... do these dates actually tell you anything? Food science can be tricky, but we're here to clear some of it up.
Crash Course
Equilibrium Equations: Crash Course Chemistry
In which Hank shows you that, while it may seem like the Universe is messing with us, equilibrium isn't a cosmic trick. Here, he shows you how to calculate equilibrium constant & conditions of reactions and use RICE tables all with some...
Bozeman Science
Spontaneous Processes
In this video Paul Andersen discriminates between spontaneous (or thermodynamically favored) processes and those that are not spontaneous. A spontaneous process requires no external energy source. If the enthalpy change in a reaction is...
Bozeman Science
Activation Energy
In this video Paul Andersen explains how the activation energy is a measure of the amount of energy required for a chemical reaction to occur. Due to the collision theory the activation energy requires proper energy and orientation of...
TED-Ed
TED-Ed: A brief history of plastic | TED-Ed
For centuries, billiard balls were made of ivory from elephant tusks. But when excessive hunting caused elephant populations to decline, they began to look for alternatives. John Wesley Hyatt took up the challenge. In five years, he...
SciShow
We're Running Out of These Elements — Here's How
Phones, TVs, solar panels, and electric car batteries are all made of some rare and unusual elements. As our modern world creates more and more of these technologies, will things go from "rare" to "nonexistent" and what will we do then?
Bozeman Science
Catalysts
Paul Andersen explains how catalysts can speed up a reaction without being consumed in the reaction. Catalysts can lower the activation energy of reaction be stabilizing the transition state. They can also create new reaction pathways...
TED-Ed
TED-Ed: Which type of milk is best for you? | Jonathan J. O'Sullivan and Grace E. Cunningham
If you go to the store in search of milk, there are a dizzying number of products to choose from. There's dairy milk, but also plant-based products such as almond, soy, and oat milks. So which milk is actually best for you? And which...
Bozeman Science
The Equilibrium Constant
In this video Paul Andersen defines the equilibrium constant (K) and explains how it can be calculated in various reversible reactions. The equilibrium constant is a ratio of the concentration of the products to the concentration of the...
Bozeman Science
The Rate of Reactions
In this video Paul Andersen defines the rate of a reaction as the number of reactants that are consumed during a given period of time. The rate of the reaction can be affected by the type of reaction as well as the concentration,...
SciShow
What's in Those Packets That Say 'Do Not Eat' (And Why Shouldn't I Eat It)
Quick Questions explains what’s in those little packets you find in packaged food, bottles of pills, and leather goods, and why you should do what the label says and not eat them.
Bozeman Science
Electrochemistry
In this video Paul Andersen explains how electrochemical reactions can separate the reduction and oxidation portions of a redox reactions to generate (or consume) electricity. The half reactions can be analyzed to determine the potential...
SciShow
Are Those Really Blackheads?
Do you just hate those little bumps all over your nose? Don't be a hater, they're just doing their job! Learn how in this SciShow Quick Question.
Bozeman Science
Limiting Reactants and Percent Yield
Mr. Andersen explains the concept of a limiting reactant (or a limiting reagent) in a chemical reaction. He also shows you how to calculate the limiting reactant and the percent yield in a chemical reaction.
TED Talks
TED: A celebration of natural hair | Cheyenne Cochrane
Cheyenne Cochrane explores the role that hair texture has played in the history of being black in America -- from the heat straightening products of the post-Civil War era to the thousands of women today who have decided to stop chasing...
Crash Course
Value Proposition and Customer Segments: Crash Course Business - Entrepreneurship
Value is the core of any business, and it directs all future decisions, innovations, and customers that get targeted. Even if we’ve thought about the big picture, if we can’t explain how an idea makes someone’s life better, then why...
Bozeman Science
The Reaction Quotient
In this video Paul Andersen explains how the reaction quotient is used to determine the progress of a reversible reaction. The reaction quotient (Q) is the ratio of the concentration of products to the concentration of reactants. The...
SciShow
What Does 'Clinically Proven' Actually Mean?
You've seen it on your shampoo bottle, vitamins, and even your fancy moisturizing cream. But what does the phrase "clinically proven' actually mean?
TED-Ed
TED-Ed: The beneficial bacteria that make delicious food - Erez Garty
Where does bread get its fluffiness? Swiss cheese its holes? And what makes vinegar so sour? These foods may taste completely different, but all of these phenomena come from microorganisms chowing down on sugar and belching up some...
SciShow
How Stores Try to Manipulate Your Senses to Sell You Stuff
For those of you looking to go out and actually do your holiday shopping in a store, you might want to be wary of the tricks businesses may use to encourage more spending.
TED Talks
William McDonough: Cradle to cradle design
Green-minded architect and designer William McDonough asks what our buildings and products would look like if designers took into account "all children, all species, for all time."
Crash Course
Globalization and Trade and Poverty: Crash Course Economics
What is globalization? Is globalization a good thing or not. Well, I have an answer that may not surprise you: It's complicated. This week, Jacob and Adriene will argue that globalization is, in aggregate, good. Free trade and...