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스테판 페트라넥이 아마겟돈까지를 셉니다.
2,014,141 plays
|
Stephen Petranek |
TED2002
• February 2002
Read transcript
어떻게 이 세상이 종말하게 될까요? 스테판 페트라넥이 인간 세상을 지키기 위해 우리가 직면한 도전에 대해 이야기 합니다. 우리는 소행성, 생태계 붕괴에 의해 사라지게 될까요?
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