Organic chemistry is pretty much everywhere! In this episode of Crash Course Organic Chemistry, we’re talking about the amazing diversity among organic molecules. We’ll learn about the origins of organic chemistry, how to write Lewis...

Powder vs. Soda: an important distinction!

Want to learn more about the topic in this week's video? Here's a keyword to get your googling started: herd immunity: immunity that occurs when the vaccination of a portion of a population provides protection for individuals who have...

So, what do Batman and J.R.R. Tolkien have in common? Post Traumatic Stress Disorder. It used to be called "Shellshock" and it can be really really really destructive. In this episode of Crash Course Psychology, Hank lays out...

New ReviewThis engaging program explains how chemical reactions can be described and written. Special emphasis is focused on how chemical reactions involve the rearrangement of atoms, but not the overall change in mass (Law of the Conservation of...

New ReviewThis video describes the role that energy plays in chemical reactions. In this program easy-to-understand examples compare endothermic and exothermic reactions. This video correlates to the Next Generation Science Standard for Middle...

As the vaccine to protect against Covid-19 continues to roll out to more and more people, interest in side effects is high. This can lead to lots of media coverage when people experience side effects, particularly when serious side...

Howcast - Learn about anxiety disorders and their symptoms from psychiatrist Ankur Saraiya in this Howcast video.

How do you honor the memory of a loved one you’ve lost? After the passing of her grandmother, 6-year-old, Alex McKelvey vowed to complete 60 acts of kindness by her grandmother’s 60th birthday March 22nd, 2014. Although people cope...

Watch as Mark goes face-to-face with the shocking sting of Japan’s infamous Denki Mushi caterpillar! Where will this jolt-inducing larva land on the Brave Wilderness Bite-Sting Index? Will it rival the agony of the Cow Killer, the Fire...

This video offers a more in depth look at how nuclear fusion occurs in the Sun.

Provides methods for calculating 𝐾 𝑐 K c ​ using experimental data.

Highlights reactions that can proceed in both forward and reverse directions, reaching a state of balance.

Explains irreversible reactions that proceed to completion and precipitation reactions where insoluble solids form from solutions

French and Raven identified those five bases of power as coercive, reward, legitimate, referent, and expert.

This video discusses the issue of the Asian Tiger Mosquito, an invasive species that can transmit various diseases. American Biophysics Corporation has developed a technology called Lurex, which is an attractant that can effectively lure...

Combustion chemical reactions are reactions that burn a fuel. The fuel that is burned is a hydrocarbon and we all know that oxygen is needed for something to burn. So all combustion reactions will have the reactants of a hydrocarbon and...

In acid and base chemistry, we learn that there are 3 main types of hydrolysis: salt, acid and base. In this video, I will show you a fun and crafty way to spice up your organic chemistry notes on this topic.

Properties of silica | Silicon -Oxygen bond | SiF4, H2SiF6 | Silicon carbide SiC| Hardest substance | piezo-electric effect|Applications of quartz ; Silica, or silicon dioxide (SiO2), is a hard, white, and translucent material...

Scientists have discovered that mast cells, known for causing allergic reactions, may have another use in fighting bacterial infections. Through genetic modification, mast cells were able to break down a poison called endothelin, which...

This video is answering the question of what are metabolic reactions.

In this video, I'm going to show you a simple way to identify the type of chemical reaction that is happening in a given situation. This will help you to understand the process more easily and to carry out the reaction in a more accurate...

Dr. Boyd performs the popular Elephant Toothpaste demonstration. If you want to try it too, just follow along! Note 1: DO NOT eat or put the foam in your mouth; it is not actually toothpaste or ice cream (it just looks like it). Note 2:...

Now that we understand the goal of transition metal catalysis, it's time to look at the two main ways in which this is achieved. There is homogeneous catalysis and heterogeneous catalysis. Let's focus on homogeneous catalysis first,...