每天新聞前時(shí)段的PBS經(jīng)典科普節(jié)目，探索人類文明方方面面。 　　sonychen 強(qiáng)烈推薦 　　------------------------------------------- 　　One of the best PBS series,A weekly documentary series, each episode providing an in-depth look at a different subject of scientific research. Subjects examined by this show have included the cutting edge of theoretical physics, a return to the Chernobyl nuclear reactor, the long-term effect... (展開全部)