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 2.90/5
  • 1
  • 2
  • 3
  • 4
  • 5
Rating: 2.9 / 5 (1042 votes)
Posted by nova on January 29, 2009
Hits: 4617

More Videos

Bowerbird
Bowerbird
Type: Life On Earth
Global Warming's Effect On Polar Bears
Global Warming's Effect On Polar Bears
Type: Life on Earth
The Boy With The Backwards Leg
The Boy With The Backwards Leg
Type: Biology & Medicine
Google's Driverless Car
Google's Driverless Car
Type: Tech & Gadgets
How Caffeine Works
How Caffeine Works
Type: Biology & Medicine
15 Story Apartment Built In 6 Days
15 Story Apartment Built In 6 Days
Type: Tech & Gadgets
Robot With Neurologically-Based Control
Robot With Neurologically-Based Control
Type: Tech & Gadgets
Preparing The Last Discovery Launch
Preparing The Last Discovery Launch
Type: Astronomy
Octopus Eats Shark
Octopus Eats Shark
Type: Life On Earth
Slow Motion - Fire Cracker
Slow Motion - Fire Cracker
Type: Miscellaneous
The Sounds Of The Universe
The Sounds Of The Universe
Type: Astronomy
ARTEMIS - Entering Lunar Orbit
ARTEMIS - Entering Lunar Orbit
Type: Astronomy
Insects Taking Flight
Insects Taking Flight
Type: Life On Earth
Bad Breath from Gentle Giant
Bad Breath from Gentle Giant
Type: Earth Sciences
Explosive Breach of Condit Dam
Explosive Breach of Condit Dam
Type: Earth Sciences

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