WAMU 88.5 - American University Radio | The Mind Is Our Medium
Now Playing

Our Once And Future Oceans: Taking Lessons From Earth's Past

Paleontologists have been spending a lot of time studying the Earth of 50 million years ago, which was much hotter than it is today. They're hoping a glimpse into the planet's geologic past will show them how the planet will respond to all the carbon dioxide we're now putting into the air.