Robert Cullen

  • The True Cost of Coal

    Coal accounts for more than half of America's electricity because it is so cheap—and it remains cheap because no one pays the very large hidden costs of its mining and burning

Videos

Why Is Google Making Skin?

Hidden away on Google’s campus, doctors are changing the way people think about health.

Video

How to Build a Tornado

A Canadian inventor believes his tornado machine could solve the world's energy crisis.

Video

A New York City Minute, Frozen in Time

This short film takes you on a whirling tour of the Big Apple

Video

What Happened to the Milky Way?

Light pollution has taken away our ability to see the stars. Can we save the night sky?

Video

The Pentagon's $1.5 Trillion Mistake

The F-35 fighter jet was supposed to do everything. Instead, it can barely do anything.

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