View full lesson: http://ed.ted.com/lessons/how-do-drugs-affect-the-brain-sara-garofalo Most people will take a pill, receive an injection, or otherwise take...

The green economy is defined as an economy that aims at reducing environmental risks and ecological scarcities, and that aims for sustainable development without degrading the environment. It is closely related with ecological economics, but has a more politically applied focus. The 2011 UNEP Green Economy Report argues "that to be green, an economy must not only be efficient, but also fair. Fairness implies recognising global and country level equity dimensions, particularly in assuring a just transition to an economy that is low-carbon, resource efficient, and socially inclusive."

Joshua Broder is President of Tilson Technology Management. He honed his leadership skills as an Army Signal officer, managing the US communications network ...

After having won and lost the 100 metres Olympic Gold Medal 25 years ago, Ben Johnson has returned to Seoul. The 1988 final has been called the Olympic's dir...

About Andrew: A PHP and Java script writer and founder of Assanka, the company acquired by the FT in January 2012. Andrew now heads up FT Labs and is part of...

The kingdom of Judah is in West Africa. SEE MORE..... Popular Videos .................................................................................... The...

Imagine the hottest day you've ever experienced. Now imagine it's six, 10 or 12 degrees hotter. According to climate researcher Alice Bows-Larkin, that's the...

Religion is in decline across the Western world. Whether measured by belonging, believing, participation in services, or how important it is felt to be, reli...

Anita is an editor at Mashable, and founder of The Other Wave, a website that explores film and television from a diverse perspective. She navigates the evol...