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Earth's Mass Extinctions

Offered By: TED via YouTube

Tags

TED Courses Environmental Science Courses Biology Courses Medicine Courses Mass Extinctions Courses Bacteria Courses

Course Description

Overview

Explore the controversial "Medea Hypothesis" in this thought-provoking TED talk by author Peter Ward, who challenges the common belief that asteroid strikes are the primary cause of Earth's mass extinctions. Discover how lowly bacteria producing hydrogen sulfide may have played a more significant role in these catastrophic events throughout our planet's history. Learn about the potential medical applications of this deadly poison and gain insights into the complex interplay between microbial life and global extinctions. Delve into this fascinating 22-minute presentation that offers a fresh perspective on Earth's past and future ecological challenges.

Syllabus

Earth's mass extinctions | Peter Ward


Taught by

TED

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