视频简介
For the past eight years, the U.S. Army's Sniper School at Fort Benning, Ga., has hosted the International Sniper Competition| where elite two-man teams compete to earn the coveted title of "top sniper." In this grueling competition, the participants' precision, camouflage, stalking and observational skills are put to the ultimate test. Eighteen challenging events examine the t...。Following a set of traumatic experiences - best friends, Fletcher Barnes and Henry Davis, drop out of college in search of meaning. After months of adventure, they find themselves living with a traveling love wizard in a bizarre Los Angeles home. Inspired by his story and determined to dig deeper - they team up and head to Africa to discover how "love" is perceived in the world...。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。。