How do the groups that you're part of affect you? How do you, in turn, affect those groups? Today we are talking about how people in society come together with a look at social groups. We’ll look at what social groups are, the different...

We're all embedded in vast social networks of friends, family, co-workers and more. Nicholas Christakis tracks how a wide variety of traits -- from happiness to obesity -- can spread from person to person, showing how your location in...

Today, we're going to combine the artificial neuron we created last week into an artificial neural network. Artificial neural networks are better than other methods for more complicated tasks like image recognition, and the key to their...

Everyone experiences pain -- but why do some people react to the same painful stimulus in different ways? And what exactly is pain, anyway? Karen D. Davis walks you through your brain on pain, illuminating why the "pain experience"...

The Internet is older than you might think!

In part 2 of our History of the Internet series, Hank explains how public access became declared a human right!

Thanks to deepfakes, CGI can be more realistic and even amateurs can easily create some fun footage. But there are also sinister uses out there.

Today we start a three episode arc on the rise of a global telecommunications network that changed the world forever. We’re going to begin with computer networks, and how they grew from small groups of connected computers on LAN networks...

In a recent Health Affairs article, the Commonwealth Foundation conducted their periodic survey of eleven countries to see how access issues might have improved or worsened. We've covered these data before. Let's update. This is...

The Japanese place great value in building relationships and developing trust. Learn more about the importance of a person's background and associations in developing new business contacts. Become familiar with the significance of using...

In Mexico, networks, informally called camarillas, are essential to doing business. Learn more about how power and influence are established and how to develop trust through local networks. Explore how politicians traditionally wielded...

In this video, learn about OSPF areas and their role in optimizing network design.

In this video, learn the key differences between dynamic routing protocols and static routes.

In this video, explore the key characteristics of OSPF, including its design for large networks.

In this video, watch a live demo of configuring adjacencies and passive interfaces in a routing protocol.

In this video, observe a live demonstration of configuring dynamic routing protocols on a Cisco router.

In this video, we introduce the concept of subnetting, a critical skill in network design.

In this video, learn about Class B and C IP addresses, focusing on their structure and uses.

In this lesson, we will look at the factors that can cause a cyber-attack, including the weakest link and the disgruntled employee in any organization, that could harm cyber security.

In this video, we introduce the concepts of network automation and programmability, key technologies transforming modern network management.

You will learn how hard it has become to hack into systems and company networks these days.

Howcast - Learn how to boost Wi-Fi from computer expert Yoav Erez in this Howcast video about wireless network technology.

Saturday mornings used to be sacred animation time. Generations of kids, fueled by bowls of sugary cereal (likely advertised during their Saturday TV sessions), flocked to screens for a binge-worthy block of cartoon programming - whether...

Andy Hargreaves is Visiting Professor at the University of Ottawa in Canada and Research Professor at Boston College in the US. He is an elected member of the US National Academy of Education, former President of the International...