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视频简介

在美国费城，有这样一个凶杀调查组，他们面临的案件不是最近发生的，而是几年前甚至十几年以前的旧案，这样的案件，由于发生的时间久远，加之当事人已经难以寻找，各种犯罪证据几乎已经烟消云散，所以调查起来特别困难·这样的凶杀案，被形象的称为"Cold Case".。Two-part documentary which deals with two of the deepest questions there are - what is everything, and what is nothing? In two epic, surreal and mind-expanding films, Professor Jim Al-Khalili searches for an answer to these questions as he explores the true size and shape of the universe and delves into the amazing science behind apparent nothingness. The first part, Everything...。