Peter Ward:
Peter Ward sobre las extinciones en masa

TED2008 · 19:41 · Filmed Feb 2008
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Los impactos de asteroides centran toda la atención, pero el autor de la "Hipótesis de Medea", Peter Ward, argumenta que la mayoría de las extinciones en masa fueron causadas por humildes bacterias. El culpable, un veneno llamado sulfuro de hidrógeno, puede tener una aplicación interesante en medicina.

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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