NOVA: Life's Rocky Start
Free on SceneLog — log in or create an account to track it.
Overview
Four and a half billion years ago, the young Earth was a hellish place-a seething chaos of meteorite impacts, volcanoes belching noxious gases, and lightning flashing through a thin, torrid...
Comments
Be the first to comment.
Leave a comment
Your email won't be published. Comments are reviewed before they appear.