View full lesson: http://ed.ted.com/lessons/a-guide-to-the-energy-of-the-earth-joshua-m-sneideman Energy is neither created nor destroyed — and yet the globa...

Bruce Schneier is an internationally-renowned security technologist and author. Described by The Economist as a "security guru," he is best known as a refres...

The most persecuted and victimized people in the world today are Christians in the Middle East. The perpetrators of the widespread destruction of that region...

Why Germany Teaches Sex Education To 5 Year Olds http://testu.be/1JdWJEs Subscribe! http://bitly.com/1iLOHml How have different approaches in sex education c...

The first moments, when it starts creeping into your mind that you MIGHT be gay, are awful, even more so if you don't know anyone that is openly gay to comfo...

U.S. Secretary of Labor Thomas Perez joined U.S. Senator Al Franken and Lieutenant Governor Tina Smith to showcase the greater percentage of women and people...

A documentary exploring the role of science, sustainability and food safety in modern agriculture, encouraging farmers to stand up for their right to farm. V...

Beyond Microfinance: Helping Female Micro-Entrepreneurs Learn Business Skills Gain Access to Global Markets and Escape Poverty About TEDx, x = independently ...