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世界が終わってしまうかもしれない10の方法
2,014,141 plays
|
スティーブン・ペトラネック |
TED2002
• February 2002
Read transcript
世界はどう終わりを告げるのか？スティーブン・ペトラネックは、人類を守るにあたり直面する難題について展開します。人類は小惑星により全滅してしまうのか？生態系の崩壊は？衝突型加速器の事故は？
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