Published on Oct 7, 2013
View full lesson: http://ed.ted.com/lessons/why-extremo...
Life on Earth requires three things: liquid water, a source of energy within a habitable range from the sun and organic carbon-based material. But life is surprisingly resilient, and organisms called extremophiles can be found in hostile living conditions (think extreme temperatures and little access to oxygen). Louisa Preston argues why extremophiles give astrobiologists hope for life in the universe.
Lesson by Louisa Preston, animation by Emanuel Friberg.
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