New: enable viewer-created translations and captions on your YouTube channel!
In this talk, planetary scientist Joel Levine shows some intriguing - and puzzling - new discoveries about Mars: craters full of ice, traces of ancient oceans, and compelling hints at the presence, sometime in the past, of life. He makes the case for going back to Mars to find out more.
Use the following code to embed this video. See our usage guide for more details on embedding.
Paste this in your document somewhere (closest to the closing body tag is preferable):
Paste this inside your HTML body, where you want to include the widget:
<div class="amara-embed" data-url="http://www.youtube.com/watch?v=4YQBuuhh76A" data-team="ted"></div>