How many of you Hindus(so called Hindus) have this much basic knowledge as this girl has. If not, don't worry, Just watch this video over and over again unti...

Science of the Physical Universe 24: Introduction to Technology and Society -- Venkatesh Narayanamurti (School of Engineering and Applied Sciences, Physics)

The Lessons of the Loess Plateau shows how an ancient civilization failed because they degraded their ecosystem functions. This parallels many if not all of ...

More Americans work in the booming solar or windpower industries than in the coal industry, yet renewables are often claimed to be unreliable, needing vast a...

Sex education varies widely between school districts, leaving many teens without comprehensive information. We made a video that covers what some schools are...

Throughout history, human beings, especially the global poor, have been in constant movement. Huerta says we should view this migration as a universal human ...

The best science shows that the chance of having one or more magnitude 6.7 or larger earthquakes in California over the next 30 years is greater than 99%. Su...

Nikos Passas talks about fighting corruption at a 2015 TEDx event in Athens, Greece. Nikos Passas is a professor of Criminology and Criminal Justice at the N...