简介：人们总说宇宙很大，但是它到底有多大？科学家制定了一项雄心勃勃的计划，要画出一幅完整的宇宙地图。然而在可观测宇宙中，有1700亿个类似银河系的星系，不单这些星系在移动，整个宇宙也并非静止不动，甚至有科学家认为，在我们的宇宙以外，还存在着无数个宇宙。究竟宇宙有多大？怎样才能画出它的全貌？研究人员借助最先

简介：《地平线》Horizon由BBC制作，至今已经播出了五十季，一千多集。“地平线节目的目标是提供世界上最伟大的科学家和哲学家一个可以交流他们的好奇、观察和看法的平台，并将他们对世界的新看法引入到我们的日常知识。” 　　 　　本期所讲肥胖是现代人类最大的敌人。那么节食是否会带来健康与长寿，这一直是人们迫

简介：Horizon: The Truth About Looking Young Plastic surgeon Dr Rozina Ali leaves the operating theatre behind for the frontiers of skin science and asks if

简介：When pioneering developmental psychologist Professor Uta Frith started her training back in the 1960s, she met a group of beautiful, bright-eyed young

简介：作为一个物种，我们总认为自己很聪明，是理性动物，能做出理智的决定。但或许我们该重新思考一下。每当我们做决定时，我们的直觉和逻辑就会展开一场斗争，而直觉的力量常常超乎我们想象。这种冲突影响我们生活的方方面面，比如饮食、习惯、信仰等。我们对人类心智的理解将发生变革，丹尼尔?卡恩曼教授将对这场变革进行阐述

简介：They are the miracle pills that shouldn't really work at all. Placebos come in all shapes and sizes, but they contain no active ingredient. Now th

简介：Taste is our most indulgent sense but it is only in recent years that we have started to understand why we really love the foods we do - and it is a l

简介：Dr Kevin Fong finds out how doctors can avoid making mistakes in the high-pressure, high-stakes world of the operating theatre. 　　He sets out to learn

简介：'JFK: Seven Days That Made a President' investigates the seven key days in JFK's life that helped shape his character and have come to def

简介：暂无简介