Today, we wrap up our discussion of the console wars by taking a look at Microsoft's Xbox which was announced in 2001. The early 2000s saw a lot of innovation in hardware and games and we'll cover some of that, but one significant change...

Harry the horse is always happy to lend his friends a hand. Today, Harry is hungry for lunch, but his friends need his help to hook up their hammocks and hang up their hats. Help Harry learn that when we lend a helping hand to others,...

In this lesson, you will learn advanced techniques for modeling the van's wheels, create realistic tire treads, rims, and other wheel details. You will learn to use modifiers, sculpting tools, and texture mapping to achieve great...

What is global warming and climate change and how will they affect the planet? Learn about how and increase in greenhouses gases is leading to global warming, and how organisms across the world are responding to this warmer world!

Auxiliary verbs are often referred to as ‘helping verbs’ because they work with the main verb in a sentence. There are two types of auxiliary verbs: primary and modal. This video explores both primary auxiliary verbs and modal auxiliary...

On April 23, NASA's Swift satellite detected the strongest, hottest, and longest-lasting sequence of stellar flares ever seen from a nearby red dwarf star. The initial blast from this record-setting series of explosions...

Emily Graslie of The Brain Scoop is back again to stump Hank and to tell us about some fascinating new research in the field of rat telepathy (NO JOKE). Then Jessi from Animal Wonders shares Zoe the Red-lored Amazon parrot.

How Do Airplanes Fly?

The same technology that helps you rack up kills in your favorite FPS games also helps paleontologists solve million-year-old mysteries. Thanks to Dr. Anne Kort for helping us with this video!

There’s still a lot of work to be done before HIV is cured, but this week scientists reported the second-ever case of full HIV remission in a patient.

A post-apocalyptic Earth, emptied of humans, seems like the stuff of science fiction TV and movies. But in this short, surprising talk, Lord Martin Rees asks us to think about our real existential risks — natural and human-made threats...

Roasting marshmallows over a fire is a lot of fun, but did you know that, in nature, fire keeps our forests clean and healthy and even helps some plants grow?

Earlier this year, fidget spinners claimed their place as the hot new fad of 2017. Some people, however, claim that fidget toys could help people manage symptoms of anxiety and ADHD.

In which John Green teaches you a bit about the 4th of July. In this special short Crash Course, John celebrates American Independence Day by teaching you how the holiday came to be on the 4th of July, and the many ways that Americans...

Do you need some help? It's OK to ask, says YeYoon Kim, a former kindergarten teacher who learned from her students how powerful and courageous it can be to reach out for support. Sharing the story of one of the most difficult periods in...

This video will explain and illustrate all steps of protein synthesis, starting with processing the RNA, followed by making a protein at the ribosomes (translation).

This video will demonstrate how to draw from real life to achieve more realistic drawings.

This is the 5th video about chapter 6 from our German 1 book. In this video I explain how to conjugate essen. I also talk about some more food vocabulary and talk about how to answer the question "Wie schmeckt's?"

When people hear about vaccine denial, they most often think about parents who are refusing to vaccinate their children. But there's another type of vaccine refusal, and it's important that we not ignore that, too. Doctors sometimes...

How mindfulness helps stress and 4 ways to practice it. I discuss how mindfulness helps the brain and how to practice mindfulness meditation in everyday life. What is mindfulness meditation? Mindfulness is simply paying attention to your...

This English language learning video aims to help people confidently ask others for help, directly and indirectly, as well as explaining why they need help.

This video will demonstrate mixed media collage basics.

Advice for brand new composers that I've learned in my career

Helping verbs are key to speaking with confidence in American English. They fill in gaps and make you sound more natural and smooth. Speaking with confidence requires mastery of these tricky verbs but once you’ve got them nailed down...