When Homer's Iliad was first written down in the eighth century BCE, the story of the Trojan war was already an old one. From existing oral tradition, audiences knew the tales of the long siege, the duels outside the city walls, and the...

No offense to that rock you may have on your finger, but these gems and minerals are so hard to find, they put most diamonds to shame.

At TEDYouth 2011, performance artist Carvens Lissaint shows how to use language, metaphor and imagery to express a powerful idea -- as in this spoken-word performance, a stirring plea to make college education more accessible.

Soccer is the only thing on this planet that we can all agree to do together, says theater maker and TED Fellow Marc Bamuthi Joseph. Through his performances and an engagement initiative called "Moving and Passing," Joseph combines...

Have you ever suffered from exertional heat stroke? This condition is caused by intense activity in the heat and is one of the top three killers of athletes and soldiers in training. Douglas J. Casa explains heat stroke's tremendous...

New ReviewFrom an ancient sound illusion to a symbol of unity, researchers have proposed dozens of theories for why the mysterious megaliths were erected at Stonehenge 5,000 years ago.

The Tigris River drying up has revealed some amazing discoveries! As the water receded, it uncovered ancient cities and artifacts that were hidden for centuries. Archeologists found old structures, pottery, and even cuneiform tablets...

In this video, explore remote access VPNs, allowing individual users to securely connect to a private network.

In this video, we introduce the evolving security threat landscape, focusing on how network security is constantly being challenged.

Here, we will look at another website, cybersecurityventures.com, which is more like an encyclopedia of information, and one of the best information sources.

In part two of this eye-opening video module, you will learn about the various types of 2FA and about the highly respected security keys, which all 85,000 of Google's employees have been using lately and which has stopped 100% account...

When marketers are looking at their website analytics there are a number of metrics and key performance indicators they will focus on. Here we go through a number of the more important and influential metrics that...

This video provides an overview of the versatility and functionality of WordPress as a website-building platform. It highlights how WordPress allows users to easily and affordably customize their websites, whether for personal blogging,...

This video, entitled "MLA Works Cited Page," explains how to create a Works Cited page in MLA format.

Learn about the versatile and essential HTML element, the division (div). Divs are invisible boxes that can hold various types of content, making them crucial for organizing and structuring websites. Web developers use divs extensively...

This video explores how websites track your browsing habits to create targeted advertisements through methods like tracking cookies and probabilistic matching. While this raises privacy concerns, it also enables personalized...

This video discusses how online algorithms create filter bubbles by personalizing content based on our preferences, potentially isolating us from diverse viewpoints and important information. It highlights the negative impact of filter...

This video explores how advertising, particularly the pursuit of clicks, has shaped the Internet. It delves into the evolution of online ads, from traditional banners to click bait tactics, targeted ads, and data collection practices....

Art tells the story of humanity across societies and cultures, but keeping that art around for future generations can be a monumental task. In this episode of Crash Course Art History, we’ll learn how art historians preserve, restore,...

Now that humans are all over the world, what do their lives look like? How were they influenced by the Ice Age that occurred at that time? How complex can hunter-gatherer society become? Let's get a closer look!

For a long time humans were hunter-gatherers. But at a certain point, human civilization began to flourish. This involved large cities of thousands of people, social stratification, trade specialization, and record-keeping. Agriculture...

Howcast - See something interesting while watching a C-SPAN video and want others to see it, too? C-SPAN makes it easy to clip the exact portion you want, and share it with friends or embed it on a website or blog. Just follow these...

Howcast - C-SPAN, the cable network that covers Congress and public policy in Washington and around the country, now gives you free online access to its video dating back to 1987 with its new Video Library. Here's a crash course in...

Howcast - Learn how to attend a track day in this Howcast motorcycle video with expert Kenyon Kluge.