|
Peter Ward on Earth’s mass extinctions
|
Peter Ward on Earth’s mass extinctions
Asteroid 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.
Video Length: 0
Date Found: January 27, 2009
Date Produced:
View Count: 314
|
|
|
|
|
I got punched by an old guy, for farting near his wife. Read MoreComic book creator Stan Lee talks the future of the medium in the digital age. Panelists Zachary... Read MoreThe U.S. launch of Spotify is still on music lovers' minds. Join Zachary Levi, from NBC’s... Read MoreTuesday: Rupert Murdoch testifies before Parliament on the hacking scandal that brought down "News... Read MoreAfter a long slump, the home construction industry may be showing signs of life. But as Bill... Read More | 1 2 3 4 5 |
|
|
|