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داخل آلة الزمن في القطب الجنوبي
662,501 plays
|
Robert Lee Hotz
|
TEDGlobal 2010
• July 2010
Read transcript
كاتب الاعمدة العلمية لي هوتز يشرح المشروع الرائع لسبر أعماق القارة القطبية الجنوبية والذي يعمل عليه فريق يحاول اخراج عينات ثلجية عمرها يفوق عشرة آلاف سنة لكي يدرسوا التغير المناخي الذي إعترى الكرة الارضية
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