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\nPeter Ward: A theory of Earth's mass extinctions\n

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\n\nPublisher:\n\nTED Talks\n\n\n
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\nAsteroid strikes get all the coverage, but \"Medea Hypothesis\" author Peter Ward argues that most of Earth's mass extinctions were caused by lowly bacteria. The culprit, a poison called hydrogen sulfide, may have an interesting...\nAsteroid strikes get all the coverage, but \"Medea Hypothesis\" author Peter Ward argues that most of Earth's mass extinctions were caused by lowly bacteria. The culprit, a poison called hydrogen sulfide, may have an interesting application in medicine.\n
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Resource Details

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Educator Rating
Not yet Rated
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Media Length
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19:35
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Grade
12th - Higher Ed
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Subjects
Science
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Media Type
Instructional Videos
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Source:
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\nTED Talks\n\n
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Date
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2009
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Language
English
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Audiences
For Teacher Use
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Usage Permissions
Fine Print: Educational Use
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Additional Materials

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Concepts

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space, dinosaurs, mass extinction, global warming, south africa, carbon dioxide, planet earth, death, temperature, fossils, microbes
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Additional Tags

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environment, life, disease, stern warnings, history and destiny, a greener future?, science, animals that amaze, bold predictions, medicine without borders, history, black rock, hydrogen sulfide, critical care, turns purple, good planet, rare earth, called, world, blah, thought, turns, planet, hollywood, earth, complexity, long, produce, presence, view
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Classroom Considerations

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Video is ad-free
Discusses death or serious injury
Viewer discretion is advised. Content may not be suitable for people of 12 years or younger.
Usage Rights: None provided
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