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 (1050 votes)
Posted by nova on January 29, 2009
Hits: 4673

More Videos

The Greatest TED Talk Ever Sold
The Greatest TED Talk Ever Sold
Type: Humanity
Sodium Acetate
Sodium Acetate
Type: Physics & Chemistry
1960s Androids
1960s Androids
Type: Tech & Gadgets
Artist Builds A Hot Wheels Metropolis
Artist Builds A Hot Wheels Metropolis
Type: Tech & Gadgets
Python Eats A Deer
Python Eats A Deer
Type: Life on Earth
Baby Sloth
Baby Sloth
Type: Life on Earth
Bendable OLED Screen
Bendable OLED Screen
Type: Tech & Gadgets
Picturing Shocking Stats
Picturing Shocking Stats
Type: Humanity
A Jungle Search for Viruses
A Jungle Search for Viruses
Type: Biology & Medicine
Luna Moth Lifecycle
Luna Moth Lifecycle
Type: Life on Earth
What The WWF Is Doing For The World
What The WWF Is Doing For The World
Type: Making A Difference
Solid Rocket Booster Separation
Solid Rocket Booster Separation
Type: Astronomy
Vogelkop Bowerbird: Nature's Great Seducer
Vogelkop Bowerbird: Nature's Great Seducer
Type: Astronomy
How Chocolate Is Made
How Chocolate Is Made
Type: Tech & Gadgets
The Wings of the Kakapo
The Wings of the Kakapo
Type: Life on Earth

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