Tag «John Green»

The Last Time the Globe Warmed

The Last Time the Globe Warmed

Thanks to Curiosity Stream for supporting PBS Digital Studios. Imagine an enormous rainforest teeming with life: trees, insects, pretty little birds. Primates are climbing in the canopy, while crocodiles and turtles swim in the rivers below. Beautiful, isn’t it? Now imagine this lush rainforest … in the Arctic. There was a time — and not …

The 17th Century Crisis: Crash Course European History

The 17th Century Crisis: Crash Course European History

Hi I’m John Green. This is Crash Course European History and today we’re going to look at what is sometimes called the “seventeenth century crisis.” Now I know what you’re thinking: This whole history business is just one crisis after another. And yes, dear viewer, it’s true. Humankind careens from disaster to disaster, but still …

A Brief History of Geologic Time

A Brief History of Geologic Time

The tale of life on Earth has been unfolding for about 4 billion years. And we humans are just the last word on the last page of that story. At least so far. And the vast stretches of time that are covered by the history of life can be hard for us to fathom. We …