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Stephen Petranek:
Stephen Petranek faz contagem regressiva para o Armagedon

TED2002 · 29:42 · Filmed Feb 2002
Subtitles available in 18 languages
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Stephen Petranek: Stephen Petranek faz contagem regressiva para o Armagedon
29:42 · Filmed February 2002 at TED2002 · Subtitles available in 18 languages

Como o mundo poderia terminar? Stephen Petranek coloca os desafios que enfrentamos no desejo de preservar a raça humana. Seremos varridos por um asteroide? Colapso ecológico? E se um acelerador de partículas enlouquecer?

Editor
When he was editor-in-chief of Discover magazine, Stephen Petranek tangled with questions as big as the universe. Here he confronts the biggest question on the planet: What are the 10 most likely ways that life on the Earth could end? Full bio
This talk was presented at an official TED conference, and was featured by our editors on the home page.

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