At the end of World War II, the nations of Europe were a shambles. Today we'll learn about how the various countries and blocs approached the problem of rebuilding their infrastructure and helping their residents recover. You'll learn...

The World Health organization recently added aspartame, an artificial sweetener used in diet soda and tea, to its list of possibly carcinogenic substances. But will diet soda really give you cancer? We look at the science behind the...

A conflict between Ukraine and Russia since 2014 has killed more than 10,000 people, displaced 2 million and put businesses on the border, like the Metinvest plant in Eastern Ukraine, in the crossfire. Metinvest is the largest plant in...

Today we know pathogens -- viruses, bacteria, and certain other microbes -- are responsible for many diseases. But linking specific diseases to the microbes that cause them has been surprisingly tricky, and some research practices lead...

Melinda Gates makes a provocative case: What can nonprofits learn from mega-corporations like Coca-Cola, whose global network of marketers and distributors ensures that every remote village wants -- and can get -- an ice-cold Coke? Maybe...

Hank delves into the details about that very popular substance: caffeine.

Book designer Chip Kidd knows all too well how often we judge things by first appearances. In this hilarious, fast-paced talk, he explains the two techniques designers use to communicate instantly -- clarity and mystery -- and when, why...

There's a lot we can learn from Mongolian nomads about how to survive in the years to come, says environmental activist Khulan Batkhuyag. Taking us on a journey through the country's stunning rural landscape, she shows how Mongolian...

In which John Green concludes the Crash Course Literature mini-series with an examination of the poetry of Emily Dickinson. Sure, John explores the creepy biographical details of Dickinson's life, but he also gets into why her poems have...

Drawing on her research into early childhood development, psychologist Sara Valencia Botto investigates when (and how) children begin to change their behaviors in the presence of others -- and explores what it means for the values we...

Sheena Iyengar studies how we make choices -- and how we feel about the choices we make. At TEDGlobal, she talks about both trivial choices (Coke v. Pepsi) and profound ones, and shares her groundbreaking research that has uncovered some...

You know what starvation is, but do you know what it does to you? Hank walks you through the three major metabolic phases of starvation, from burning sugars to, basically, self-cannibalism.

At the end of World War II, the nations of Europe were a shambles. Today we'll learn about how the various countries and blocs approached the problem of rebuilding their infrastructure and helping their residents recover. You'll learn...

Why do people often buy the same brands over and over again?

It's all about the SUPER TINY in this episode of Crash Course: History of Science. In it, Hank Green talks about germ theory, John Snow (the other one), pasteurization, and why following our senses isn't always the worst idea.

Mr. Andersen defines the terms energy, work and power. He also uses a simple example to calculate both work and power.

Did you ever think about why your favorite products deliver the same value, flavor, or experience each time you buy it? Well that is the brand promise. A brand is really just a set of promises, and firms have to know...

Stacy Comilang from Preston, CT., likes to think of herself as a “need for speed” kind of girl. She is a fan of NASCAR and had been to a few races while growing up in California. Even though she has never driven in...

Many people as, what is marketing? Is it just advertising? Is it just there to get people to buy things they don't want? What is it? Well here we go through the core aspects of marketing. #marketing #principlesofmarketing...

Dive into the intriguing story of Clear Coke, a covert project to satisfy a Soviet general's craving during the Cold War.

Unleash the power of digital word-of-mouth with viral marketing in this eye-opening video. Discover the strategies and techniques behind creating contagious content that spreads like wildfire across social media platforms. Explore the...

What's your favorite beverage? Something carbonated? What about a nice warm treat? Or maybe you're content with a fruity drink? Even if you don't have a favorite beverage, you've probably had coffee, tea, beer, or any variety of popular...

Weird History Food is giving you the secrets to the Coca-Cola formula. Since its invention by John Pemberton in 1886, Coca-Cola has become the most well-known soft drink in the world. Yet who actually knows the Coca-Cola recipe?

A fuel produced by heating coal in the absence of air.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...