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Peter Ward:
Peter Ward sur les extinctions massives

TED2008 · 19:41 · Filmed Feb 2008
Subtitles available in 21 languages
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Peter Ward: Peter Ward sur les extinctions massives
19:41 · Filmed February 2008 at TED2008 · Subtitles available in 21 languages

Les impacts d'astéroïdes monopolisent l'attention, mais l’auteur de « L’hypothèse Médée », Peter Ward défend l’idée que la plupart des extinctions de masse sur terre fut causée par de humbles bactéries. Le coupable, un poison appelé sulfure d'hydrogène, pourrait avoir d'intéressantes applications pour la médecine.

Paleontologist
Peter D. Ward studies life on Earth — where it came from, how it might end, and how utterly rare it might be. Full bio
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