We learn a lot about our surroundings thanks to sound. But... what is it exactly? Sound, that is. What is sound? And how does it travel? And what is this Doppler Effect that we've heard so much about? In this episode of Crash Course...

Between you and the rest of the world lies an interface that makes up 16% of your physical weight. This is your skin, the largest organ in your body: laid out flat, it would cover close to 1.7 square meters of ground. But besides keeping...

Have you ever talked with a friend about a problem, only to realize that he just doesn't seem to grasp why the issue is so important to you? Have you ever presented an idea to a group, and it's met with utter confusion? What's going on...

Language is an essential part of our lives that we often take for granted. But, if the delicate web of language networks in your brain became disrupted by stroke, illness, or trauma, you could find yourself truly at a loss for words....

A bug in the superconductor system has trapped your team in 11 separate dimensions. Can you get them back home safely? -- It was a normal Tuesday at the superconductor, until a bug in the system caused your team to be trapped in 11...

Neuroscientist uri Hasson researches the basis of human communication, and experiments from his lab reveal that even across different languages, our brains show similar activity, or become "aligned," when we hear the same idea or story....

Like any committed relationship, the relationship between a business and its customers needs nurturing. And that shouldn’t come as a surprise! We need customers to run a successful business, and naturally they’re going to have certain...

Jessi and Squeaks discover some amazing ocean creatures, ones that glow by themselves!

Each year in the United States, players of sports and recreational activities receive between 2.5 and 4 million concussions. How dangerous are all those concussions? The answer is complicated and lies in how the brain responds when...

John La Grou unveils an ingenious new technology that will smarten up the electrical outlets in our homes, using microprocessors and RFID tags. The invention, Safeplug, promises to prevent deadly accidents like house fires -- and to...

In which John Green kicks off the Crash Course Literature mini series with a reasonable set of questions. Why do we read? What's the point of reading critically. John will argue that reading is about effectively communicating with other...

In this project team leadership video, I tackle the absolute fundamentals of leading a project team, that every project leader needs to know.

When it comes to communication, cultures can be high-context or low-context—and this is one of the key ways that cultures differ. In low-context cultures, people tend to be explicit and direct in their communications. In high-context...

Many people hear about culture and immediately think about protocol—a list of do’s and don’ts by country. But understanding culture is so much more than learning about proper gestures and acceptable etiquette. One must consider people’s...

Mexicans are usually warm and gentle toward strangers, including foreigners. They’ll sometimes stare at them, especially if the foreigners don’t look like Americans, whom they’re used to seeing. Curiosity and wonder quickly vanish once...

In this video, get an overview of basic networking principles, laying the groundwork for more advanced topics.

This video discusses the importance of soft skills and the importance of being able to communicate effectively and in a likeable manner.

Learn how to communicate more assertively about the Situation, your Emotions, and what you Want (S.E.W.) and other tips to help you speak more assertively and directly.

This video discusses the importance of body language in communication, using the example of Alice, who works at a department store. It highlights how nonverbal signals such as posture, facial expressions, and gestures play a significant...

Science Kids Koalas - Anatomy, Habitat and “Crikey” Fun Facts

Koalas, known for their distinctive appearance and sedentary lifestyle, are solitary animals with unique features such as fingerprints and comb-like claws. These...

Science Kids Amazing Animal Superpowers V1-0006

In this video, we delve into the extraordinary superpowers of bees, showcasing their abilities to navigate using Earth's magnetic field, communicate through intricate dances, and...

Howcast - Learn what HTML is with this HTML tutorial.

Howcast - Learn what to say if you were fired from a job from career expert Nicole Williams in this Howcast video.

Howcast - Pick up five deer hunting tips from the pros at Queens Archery in this Howcast video.