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Saturday Cinema: Earth’s mass extinctions – are bacteria to blame?

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.

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This entry was posted on Saturday, January 31st, 2009 at 9:00 am and is filed under Bacteria, Biology, Environment, Microbiology, Science, Video. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.

One Comment

  • Agný says:
    February 12, 2009 at 4:25 am

    If the first live on the earth was bacteria, then I think it is logical to conclude it will also be the last liveform existing on earth… But Im just an amateour here on a playground of a specialist´s..so…(english is not my language)