Stephen Petranek:
Stephen Petranek faz contagem regressiva para o Armagedon

TED2002 · 29:42 · Filmed Feb 2002
Subtitles available in 18 languages
View interactive transcript
1,481,375 Total views
Your impact
Share this talk and
track your influence!

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?

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.



Enthusiastically agree? Respectfully beg to differ? Have your say here.

2000 characters remaining
Please or sign up to add comments.
Sort comments by
There are currently no comments for this talk.