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Why humans are far from an advanced civilization
Human civilization ranks 0.72 out of 3 on the scale of technological advancement, far from controlling planetary, stellar, or ...
On a freezing October day in 1961, the sky over the Arctic turned to fire. The Tsar Bomba - a 50-megaton monster - exploded ...
With Ge Jianxiong, a history professor at Fudan University, serving as chief academic adviser, the documentary uses ...
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