Physicists, air traffic controllers, and video game creators all have at least one thing in common: vectors. But what exactly are they, and why do they matter? David Huynh explains how vectors are a prime example of the elegance, beauty,...

How would you measure a personality? What, exactly, is the self? Well, as you've come to expect, it's not that easy to nail down an answer for those questions. Whether you're into blood, bile, earth, wind, fire, or those Buzzfeed...

Euclid, known as the "Father of Geometry," developed several of modern geometry's most enduring theorems--but what can we make of his mysterious fifth postulate, the parallel postulate? Jeff Dekofsky shows us how mathematical minds have...

If you read a poem and feel moved by it, but then find out it was actually written by a computer, would you feel differently about the experience? Would you think that the computer had expressed itself and been creative, or would you...

In business, you need to know how to write. And that involves learning a bunch of things like knowing who you're writing to and what kind of thing you're writing. In this episode of Crash Course Business Soft Skills, Evelyn talks to us...

Today on Crash Course Mythology we're starting in on creation stories. This week, we'll focus on the creation of the universe out of nothing, or Ex Nihlio creation. Basically, a god decides to make a universe out of nothing. We'll look...

This video teaches what nouns, verbs, and adjectives are. These are important grammar skills for reading and writing..

This colorful program investigates the fascinating topic of physical and chemical properties of matter. Numerous real-life examples of properties highlight the many different types of properties. The video correlates to the Next...

This fascinating program helps students answer the question - What is Matter? Colorful video footage introduces students to the fact that not all matter is the same. The video correlates to the Next Generation Science Standard for Middle...

This colorful video program introduces students to the concept of biodiversity. Live-action footage of plants and animals from throughout the world helps students comprehend how the number of species in a place influences biodiversity....

This video is answering the question of how did blizzards get their name.

This video explores how poets use various sound devices, such as alliteration, assonance, consonance, onomatopoeia, and rhyme, to enhance the auditory experience of a poem. By connecting sound to imagery, poets create vivid and...

In this video, the concept of modifiers is explained using the analogy of a paintbrush that adds detail to sentences. It highlights the importance of correctly placing modifiers, such as adjectives and adverbs, to ensure clarity in writing.

This video, entitled "Describing Tasks," explains how to thoroughly describe the steps to accomplish a task.

Show, Don’t Tell is a very useful creative writing technique.When a writer ‘tells’, they present information simply by stating it. Writing that ‘tells’ tends to be passive and distant, and can often feel like the writer is simply...

Most people have thought about: How does it feel to die? What is death like? In this video, I examine what science says about this. Some commonalities in what people experience are: positive emotions, meeting...

Howcast - Learn how to tailor a sample cover letter to the job you want from career expert Nicole Williams in this Howcast video.

Howcast - Learn how to tailor your resume to the job you're applying for from career expert Nicole Williams in this Howcast video.

Howcast - Learn how to draw hands from professional artist Kevin Kobasic in this illustration and drawing tips video from Howcast.

Howcast - Learn what a push-pull pedal steel guitar is in this Howcast video.

Howcast -Learn how to do the Sybil from magician Michael Patrick in this Howcast card flourish tutorial.

Howcast -Learn when to add "ly" to a word from Gotham Writers' Workshop instructor Stephanie Paterik in this Howcast grammar video.

Howcast -Learn how to use adverbs correctly from Gotham Writers' Workshop instructor Stephanie Paterik in this Howcast grammar video.

Howcast -Learn how to use adjectives correctly from Gotham Writers' Workshop instructor Stephanie Paterik in this Howcast grammar video.