简介：黄石国家公园（Yellowstone National Park）拥有众多的景观和种类繁多的动物，聚集在一个引人入胜的生态系统中。该地区曾经有19000多只麋鹿，但在过去的20年中，其数量猛跌了80％。神秘的下降引发了许多问题，研究人员正在争相提供答案。与他们一起研究从狼到熊到树木再到鳟鱼的一系列理论和犯罪嫌疑人，以解决这个令人震惊的难题。
主演：罗伯特·A.卡洛 比尔·克林顿 Robert Gottlieb 柯南·奥布莱恩 Maria Tucci
导演：Lizzie Gottlieb
简介：At 86, writer Robert Caro is working to complete the final volume of his masterpiece, “The Lyndon Johnson Years“; its editor Robert Gottlieb, 91, waits to edit it. This unique double portrait reveals the work habits, quirks, and professional joys of these two intellectuals at the height of a journey that consumed their lives, and impacted generations of politicians, activists, ...
简介："Clean Eating"是欧美正在流行的趋势，新鲜、自然的食材能"清洁"身体，但事实果真如此吗，新陈代谢专家Giles Yeo博士深入调查。
Dr Giles Yeo investigates the latest diet craze and social media sensation - clean eating. Giles cooks with Ella Mills and sifts through the claims of the Hemsley sisters.
http://www.bbc.co.uk/iplayer/episode/b08bhd29/horizon-20162017-18-clean-eating-the-dirty-truth#long-description
简介：The Ebola virus. No-one knows exactly where it comes from but one thing is certain - it's one of the most virulent infections known to science. This special episode of Horizon meets the scientists and doctors from all around the world looking for the cure and hears first-hand accounts of what it's actually like to catch - and survive - this terrible disease.
简介：Dr Michael Mosley seeks to establish the truth about meat. Every year, humans raise and eat 65 billion animals - nine animals for every person on the globe. In this eye-opening documentary, Michael examines the impact that this is having on the planet and finds out what meat eco-friendly carnivores should be buying. Is it better to buy free-range organic or factory-farmed meat?...
简介：Dr Michael Mosley seeks to establish the truth about meat. Are those barbecue favourites like burgers and sausages really that bad? Should we all go vegetarian instead?
Michael uncovers the latest science and puts it to the test on a high-meat diet. Will eating beef and bacon every day be bad for him? What meat should a healthy carnivore be buying?
简介：Alice Roberts explores the latest discoveries in the study of human origins, revealing the transformation that has been brought about in this field by genetics.
Traditional paleo-anthropology, based on fossils, is being transformed by advanced genome sequencing techniques. We now know that there were at least four other distinct species of human on the planet at the same time a...
主演：Alan Eustace Jared Leidich Taber MacCallum Jane Poynter Sebastian Padilla
导演：Adam 'Tex' Davis Jerry Kolber 特雷·尼尔森 Erich Sturm
简介：Imagine you're Alan Eustace. You're in your 50's, you've got two young daughters and a loving wife at home and you're the Senior Vice-President of 'Knowledge' at Google. But none of that matters to you right now -- because in less than a minute the giant balloon strapped to your back is going to inflate to the size of a football stadium as it carries you over 135,000 feet strai...
简介：Horizon looks at dark energy - the mysterious force that is unexpectedly causing the universe's expansion to speed up. The effects of dark energy were discovered in 1998 but physicists still don't know what it is. Worse, its very existence calls into question Albert Einstein's general theory of relativity - the cornerstone of modern physics. The hunt for the identity of dark en...
简介：A groundbreaking documentary film that uses Lady Bird's audio diaries to tell the story of one of the most influential and least understood First Ladies in history
简介：昨天我看了一个电影，是个法语片<最后的猎人，le dernier trappeur>，片子很很美，同时又有一点淡淡的忧伤，人们该好好思考人与自然的关系了。Trappeur中文翻译成猎人，但所指的是专门利用陷阱和夹子狩猎的猎人。片中男主人公Norman和他的印第安妻子Nebaska生活在远离城镇的大山中，延续传统尊重自然，与大自然和谐的相处。而如今文明的发展，让那种自然和谐的生活越发无处藏身。Norman不得不开辟新的居住地才能捕猎到皮毛动物，他有妻子Nebaska和忠实的雪撬犬相伴。片中虽然没有很多镜头表现两个人在一起的生活，但几个细节让我们可以感受到，他们是很彼此关怀爱护的。Nebaska为劳累的Norman按摩脊背，帮助他建好新的木屋，女人的灵感让Norman那天一定带上猎犬Abas, Norman开始并不喜欢Abas,但结果正是Abas把他从冰...
简介：这是一部关于恐龙的科教记录片, 北极：7千万年前。一个极端的世界。夏季的阳光变成了24小時严寒的夜晚。恐龙们不得不做出选择，勇敢的向南迁徙以寻找阳光。一段充满了暴风雪，火山爆发和致命狩猎者的危险旅程，一个年轻的埃德蒙頓龙开始了他的第一个千里迁移. 片中令人惊叹的CG动画 和精心构建的数码世界，可以說是真正的恐龙电影演变,令人震撼. The Arctic 70 million years ago. It is a world of extremes. Tropical summers of 24hr sunlight are replaced by freezing winters of continuous night. The remarkable dinosaurs that lived under the Northern Lights had to make a choice, brave the winter or head south to find the sun. Join Scar, a young Edmontosaurus embarking on his first thousand-mile migration. It is a journey for survival that is fraught with danger; blizzards, volcanic eruptions and deadly predators lie ahead. Meanwhile Patch, a juvenile Troodon, left alone in the North, must learn to survive in one of the harshest environments the Earth has ever known. This epic feature-length adventure portrays an incredible polar odyssey that actually happened but has never been witnessed before. Based on recent fossil evidence blasted out of the ice around the North Pole, the makers of ''Walking with Dinosaurs'' and ''Prehistoric Park'' are delighted to introduce you to an all-new cast of dinosaurs, from feathered tyrannosaurs to giant marine predators. Featuring stunning animation and a painstakingly recreated digital world, it can truly be said that the dinosaur film has evolved.