Peter Ward:
Le estinzioni di massa secondo Peter Ward

TED2008 · 19:41 · Filmed Feb 2008
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Gli impatti da asteroide catalizzano tutta l'attenzione, ma Peter Ward, autore di "Medea Hypothesis" sostiene che la maggior parte delle estinzioni di massa avvenute sulla Terra, furono causate da semplici batteri. Il colpevole, un veleno chiamato acido solfidrico, potrebbe avere un'interessante applicazione in 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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