舞蹈广场舞
2019
16 年前
视频简介
Dinosaur fossils are worth their weight in gold in a market where serious scientists and fortune hunters vie to be first to the next big find. An eye-opening adventure documentary about bones, cash and big egos - and an absolute must for dinosaur fans. Dinosaurs became extinct around 65 million years ago. Today, their bones and fossils are coveted and sell for staggering sums o...。人一生中三分之一的时间都在睡觉,所有生物的白天都是由睡眠来调节的。睡眠是如此重要:无论是人类还是动物,如果不睡觉都会死去。据估计全世界有10%的成年人患有严重的失眠症。失眠使人入睡困难、睡眠质量下降,造成人们记忆力、注意力下降,甚至导致各种疾病。 本片从导致失眠的因素,分析失眠的原因,失眠对人体的危害,解决失眠的办法等多方面,对人类的失眠进行调查和分析。在这项科学调查中,科学家将发现、寻找解决人类失眠新方法,而不是依靠药物。。