Educated Earth // Videos - Earth Sciences - Earth's Mass Extinctions
User:
Pass:
Remember Me
Forgot Pass Register

Our educational work is entirely supported by people like you. Your donations directly add new exhibits and new features to the website, and even helps us open the Prehistoria Natural History Center!




eXTReMe Tracker

Videos / Earth Sciences / Earth's Mass Extinctions







Earth's Mass Extinctions

Earth's Mass Extinctions
Major asteroid strikes get all the coverage, but Peter Ward argues that most of Earth's mass extinctions were caused by lowly bacteria changing the atmosphere's composition. The culprit, hydrogen sulfide, may have an interesting application in medicine.


  • Currently 2.88/5
  • 1
  • 2
  • 3
  • 4
  • 5
Rating: 2.9 / 5 (782 votes)
Posted by nova on January 29, 2009
Hits: 3716

More Videos

Fangtooth in the Abyss
Fangtooth in the Abyss
Type: Biology & Medicine
Popping A Waterballoon in Space
Popping A Waterballoon in Space
Type: Astronomy
Ares 1-X Launch
Ares 1-X Launch
Type: Astronomy
Marshmallow Chemistry
Marshmallow Chemistry
Type: Physics & Chemistry
A Close Look At Carbon Fiber
A Close Look At Carbon Fiber
Type: Tech & Gadgets
The Sarcastic Fringehead
The Sarcastic Fringehead
Type: Life on Earth
Jupiter Icy Moons Orbiter (Cancelled)
Jupiter Icy Moons Orbiter (Cancelled)
Type: Astronomy
Honshu Tsunami Propagation
Honshu Tsunami Propagation
Type: Earth Sciences
Bizarre Foods
Bizarre Foods
Type: Documentaries
The Comet Galaxy
The Comet Galaxy
Type: Astronomy
Camera vs Particle Beam
Camera vs Particle Beam
Type: Tech & Gadgets
Aesthetics and Astronomy
Aesthetics and Astronomy
Type: Astronomy
History of C.G.I. Film Characters
History of C.G.I. Film Characters
Type: Tech & Gadgets
From Quarks To Molecules
From Quarks To Molecules
Type: Physics & Chemistry
Devices Tracks People Through Walls
Devices Tracks People Through Walls
Type: Tech & Gadgets

Comments

There are no comments on this item.
User: Pass: Remember Me

To comment on this item, please login or register.


Warning: Unknown: Your script possibly relies on a session side-effect which existed until PHP 4.2.3. Please be advised that the session extension does not consider global variables as a source of data, unless register_globals is enabled. You can disable this functionality and this warning by setting session.bug_compat_42 or session.bug_compat_warn to off, respectively in Unknown on line 0