人类真的是宇宙中唯一有智慧的生物吗?部分科学家相信我们其实并不孤独,而且他们即将找到其他生命形态,外星生物的存在已毋庸置疑,问题在於他们何时会跟我们接触,请看本节目的精辟探索。 Naked Science is a one-hour American documentary television series that premiered in 2004 on the National Geographic Channel. The program provides answers to complicated science questions.