Montana sapphires come in a beautiful array of colors found in a few other places in the world. But geologists have no idea where they originated.<br/>

In this video Paul Andersen explains how the Earth's climate will natural change due to interactions between the Sun and Earth, volcanism, and plate tectonics. Species may go extinct leading to adaptive radiation or may move to a...

Amanda Williams shares her lifelong fascination with the complexity of color: from her experiences with race and redlining to her discovery of color theory to her work as a visual artist. Journey with Williams to Chicago's South Side and...

After a polypeptide is produced in protein synthesis, it's not necessarily a functional protein yet! Explore protein folding that occurs within levels of protein structure with the Amoeba Sisters! Primary, secondary, tertiary, and...

Organic chemistry isn’t that different from an adventure game, with substrates as characters, nucleophiles as magic potions, and reaction conditions as different magical kingdoms. In this episode of Crash Course Organic Chemistry, we’ll...

Did you know that the fishier a fish smells, the longer it’s been out of the water? This is due to a chemical called trimethylamine, which is an amine, the class of organic compounds we’re discussing in this episode! Although they tend...

Have you ever wondered where cured meats like salami or pepperoni get their bright red color? Of course its from organic chemistry! A chemical called nitric acid gives them that bright color, while also increasing their shelf. It's also...

This week we answer skeptics like Descartes with empiricism. Hank explains John Locke’s primary and secondary qualities and why George Berkeley doesn’t think that distinction works -- leaving us with literally nothing but our minds,...

Take a look... A VERY special guest, LeVar Burton, explains how Double Rainbows are formed.

On January 17, 1920, less than one hour after spirits had become illegal throughout the United States, armed men robbed a Chicago freight train and made off with thousands of dollars worth of whiskey. It was a first taste of the...

Today, Craig is going to talk about political parties and their role in American politics. So, when most people think about political parties they associate them with the common ideologies of the voters and representatives within that...

Unlike her European counterparts, the Netherlands invested very little in education within its colonies. While the Dutch introduced a system of formal education for the local population of Indonesia, it was restricted to certain...

Education plays such a key role in Japanese life, it's hard to overestimate its importance. Whether a child gets into the right school early on determines whether he or she will attend the right university—which, in turn, can determine...

Using a badge, you will learn how to add important information to a web page.

You will learn about creating alert boxes using classes.

In this video, you will learn how to change the background color of a web page.

This video provides an engaging and informative overview of color theory and its practical applications in design and everyday life. The narrator explains the significance of color in evoking emotions, communicating messages, and...

This video introduces viewers to the two main categories of research - primary and secondary. The video aims to help viewers understand the distinction between these two types of research and how they are used in academic and...

Howcast - Learn what emotional infidelity is from couples counselor Victoria Wilson, Ph.D. in this Howcast video.

Howcast -Learn how to read the four King tarot cards from expert Ellen Goldberg, M.A. in this Howcast video.

Every four years, the Iowa caucus marks the start of 11 months of campaigning to decide who is the next president of the United States of America. This year sees a new system in place for the Democrat caucus whilst over on the Republican...

Voters show support for Pete Buttigieg

Pupil outcome: I can explain the difference between data and information and know that data can come from a range of sources. Key learning points: - Data is just the raw values and facts, presented without any meaning. - Information is...

This video is answering the question of are humans part of the food web.