Anil Gupta is on the hunt for the developing world's unsung inventors -- indigenous entrepreneurs whose ingenuity, hidden by poverty, could change many people's lives. He shows how the Honey Bee Network helps them build the connections...

Matthew O’Reilly is a veteran emergency medical technician on Long Island, New York. In this talk, O’Reilly describes what happens next when a gravely hurt patient asks him: “Am I going to die?”

With up to ten years in prison at stake, will Wanda rat Fred out? Game theory is looking at human interactions through the lens of mathematics.

As we venture into the world of ethics, there are a lot of different answers to the grounding problem for us to explore. One of the oldest and most popular is the divine command theory. But with age comes a long history of questions,...

Biologist Mark Pagel shares an intriguing theory about why humans evolved our complex system of language. He suggests that language is a piece of "social technology" that allowed early human tribes to access a powerful new tool:...

Trying to ripen some fruits on your kitchen counter is totally fruitless - here's why.

Imagine you're watching a runaway trolley barreling down the tracks, straight towards five workers. You happen to be standing next to a switch that will divert the trolley onto a second track. Here's the problem: that track has a worker...

When women lead, bias often follows. Documentarian Robin Hauser dives into the dilemma between competence and likeability faced by women in leadership roles, detangling the unconscious beliefs and gendered thinking that distort what it...

Howard Rheingold talks about the coming world of collaboration, participatory media and collective action -- and how Wikipedia is really an outgrowth of our natural human instinct to work as a group.

Today we explore the penultimate ethical theory in this unit: contractarianism. Hank explains Hobbes’ state of nature, and implicit and explicit contracts, as well as the Prisoner’s Dilemma, and the benefits, and costs, of violating...

Two perfectly rational gingerbread men, Crispy and Chewy, are out strolling when they're caught by a fox. Instead of simply eating them, he decides to put their friendship to the test with a cruel dilemma. He'll ask each gingerbread man...

The Innovator’s Dilemma reveals an astonishing paradox in business: successful companies tend to fail not because they do anything wrong, but because they do everything right. The theory explains why giants like Blockbuster collapse...

Howcast - Learn how to say "goodbye" in Greek with this Howcast video.

An ethical dilemma is a conflict between alternatives where, no matter what a person does, some ethical principle will be compromised. Analyzing the options and their consequences provides the basic elements for decision-making.

Introducing the ethical debate surrounding the treatment of tuberculosis patients in the US. Would you enter quarantine voluntarily to prevent widespread infection?



Biology - Human Body - Learni

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The story of a young boy with a dangerous blood condition, whose parents want to have another child in order to save their son. Should they be allowed? Biology - Cells And DNA - Learning Points. "Saviour siblings" refers to babies born...

Huntington's is a genetic disease, which usually occurs in middle age. There is a genetic test for Huntington's but, with no cure available, would you choose to be tested if you were at risk? Biology - Cells And DNA - Learning Points. A...

This film describes the classic game show problem in which contestants can pick one of three doors and win either a car or a goat. Discover how the odds work to mean you're always better to swap your door if you're given the chance....

This video provides a detailed analysis of the strategic challenges faced by the Allies during the Crimean War, focusing on their limited resources and the diplomatic and military strategies employed. It highlights the importance of...

The part of the sales process that people think of as ‘selling’ is the step where you present solutions to meet your prospect’s needs. This is what we’ll look at in this video.

Take this 5-day English challenge to expand your vocabulary. Watch day 1 and grab your worksheet.<br/>

Historian John Elliott, University of Oxford, describes how historians studying societies other than their own need to balance objective assessment and societal assimilation, a balancing act that invariably brings with it a multitude of...

“Conflict and Plot” will help students to review the value of conflict within a storyline by examining both types of conflict: internal and external.

“Informational: Problem/Solution” video lesson explores informational texts, focusing on the problem and solution structure and explaining how to identify problems and solutions in texts.