爽食行天下主持人
2022
2 年前
视频简介
李时珍从小对医学和本草就有着浓厚的兴趣,长大后因医术高超和楚王举荐而进入北京太医院。在波云诡谲的宫廷斗争中,他始终坚持医者救人的原则,从而得罪了严世蕃,甚至嘉靖皇帝;他还与制贩假药和迷信炼丹做了坚决的斗争。离开太医院之后,他以非凡的毅力和精神重修本草,编撰完成科学巨著《本草纲目》。。NOVA: Mysteries of Sleep Like virtually every other animal, humans need sleep to survive. But why? What do we gain from spending nearly a third of our lives in such a defenseless state? And what's at stake if we sleep poorly? The functions of sleep have long been something of a mystery. But now scientists are peering deep into the brain to see what happens while we snooze. One ...。