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01.什么是“游戏” 02.古代游戏 03.电子游戏的黎明 04.雅达利的发家史 05.家用游戏主机 06.雅达利大崩溃 07.任天堂的发家史 08.世嘉的发家史 09.索尼时代的游戏机 10.微软与联机游戏 11.休闲游戏&手机游戏 12.MMORPG游戏 13.卡牌游戏 14.桌上游戏 15.益智游戏 16.游戏心理学 17.体育 18.RPG游戏 19.游戏设计 20.PC游戏 21.VR游戏与未来 22.开放世界游戏 23.掌上游戏机 24. 输入设备 25.游戏节目 26.实况角色扮演游戏（LARP） 27.赌博游戏 28.口袋妖怪 29. 游戏的未来

In this fourteen-episode series made in partnership with PBS and Nature, Crash Course Zoology will take a rapid deep dive into the weird and wonderful biology of animals. Host, wildlife ecologist, and conservation scientist, Dr. Rae Wynn-Grant will guide us across the tree of life as we endeavor to answer what makes an animal an animal anyway? We’ll explore the current state of the world and how it's evolving with in-depth looks at particular animals, show how the science is applied, and even take you along for the journey with day-in-the-lives of some astonishing creatures.

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Crash Course Mythology with Mike Rugnetta is here, and we have the preview video to prove it. We'll be uploading Friday afternoons to fulfill all your hunger for foundational cultural stories and whatnot. Episodes include… What Is Myth? Crash Course World Mythology #1 Creation from the Void: Crash Course World Mythology #2 Cosmic Sexy Time, Eggs, Seeds, and Water: Crash Course World Mythology #3 Earth Mothers and Rebellious Sons - Creation Part 3: Crash Course World Mythology #4 Social Orders and Creation Stories: Crash Course World Mythology #5 Humans and Nature and Creation: Crash Course World Mythology #6 Pantheons of the Ancient Mediterranean: Crash Course World Mythology #7 Indian Pantheons: Crash Course World Mythology #8 The Greeks and Romans - Pantheons Part 3: Crash Course World Mythology #9 The Norse Pantheon: Crash Course World Mythology #10 African Pantheons and the Orishas: Crash Course World Mythology #11 Theories of Myth: Crash Course World Mythology #12 Great Goddesses: Crash Course World Mythology #13 Fire and Buffalo Goddesses: Crash Course World Mythology #14 Archetypes and Male Divinities: Crash Course World Mythology #15 Noah's Ark and Floods in the Ancient Near East: Crash Course World Mythology #16 Yu the Engineer and Flood Stories from China: Crash Course World Mythology #17 American Floods: Crash Course World Mythology #18 The Dying God: Crash Course World Mythology #19 Tricksters: An Introduction: Crash Course World Mythology 20 Hermes and Loki and Tricksters Part 2: Crash Course World Mythology #21 Coyote and Raven, American Tricksters: Crash Course World Mythology #22 The Apocalyspe: Crash Course World Mythology #23 Ragnarok: Crash Course World Mythology #24 The Hero's Journey and the Monomyth: Crash Course World Mythology #25 The Epic of Gilgamesh: Crash Course World Mythology #26 Rama and the Ramayana: Crash Course World Mythology #27 Galahad, Perceval, and the Holy Grail: Crash Course World Mythology #28 The Mwindo Epic: Crash Course World Mythology #29 Herakles. Or Hercules. A Problematic Hero: Crash Course World Mythology #30 Ma'ui, Oceania's Hero: Crash Course World Mythology #31 Mythical Caves and Gardens: Crash Course World Mythology #32 Mythical Mountains: Crash Course World Mythology #33 Mythical Trees: Crash Course World Mythology #34 Cities of Myth: Crash Course World Mythology #35 Monsters. They're Us, Man: Crash Course World Mythology #36 Mythical Horses: Crash Course World Mythology #37 Serpents and Dragons: Crash Course World Mythology #38 Witches and Hags: Crash Course World Mythology #39 Freud, Jung, Luke Skywalker, and the Psychology of Myth: Crash Course World Mythology #40 Mythical Language and Idiom: Crash Course World Mythology #41

John Green is teaching history again. This time, we're looking at the history of Europe in 50 episodes. We'll start at the tail end of the so called Middle Ages, and look at how Europe's place in the world has developed and changed in the last 700 years or so.

1994年，意大利罗马街头，一名来自东方的游客周游名胜古迹，拍下诸多照片。顺着当地人和导游图的指示，他总算在街头找到一家可以洗照片的小店。经过一番咨询，他得知需要等上十分钟。游客走出小店，百无聊赖抽起香烟，街头的钟表显示为11点50分。与此同时，远在另一头的萨拉热窝。一户普通人家，妈妈一边准备午饭一边逗弄正大哭大闹的小宝宝，妈妈手忙脚乱，无暇他顾，指使长子外出找点水和面包回来。少年走上布满废墟和残骸的街头，平静的中午突然被尖锐刺耳的炮火打破。短短十分钟，不同人生路…… 本片荣获2002年第15届欧洲电影奖最佳短片奖。

0.预览 01.什么是统计学 02.数学思维 03.均值，中位数，和众数；集中趋势测量 04.散布度量 05.数据可视化第1部分：图表就像意大利面 06.数据可视化第2部分：图、逸出值 07.数据的形状：分布 08.相关性不等于因果性 09.对照实验 10.抽样方法和调查偏差 11.科学记者 12.数据收集的道德和海里埃塔·拉克丝塔斯基吉实验 13.概率 I ：规则和模型 14.概率 II：用贝叶斯更新你的看法 15.二项分布 16.几何分布和生日悖论 17.随机性 18.Z分数和百分位数 19.正态分布 20.置信区间 21.p值如何帮助我们检验假设 22.p值问题 23.玩弄p值的效果 24.你将知道贝叶斯 25.贝叶斯在日常生活和科学中的应用 26.检验统计量 27.T - 检验：天造地设的一对 28.自由度和效应量 29.卡方检验 30.p值操纵 31.复现性危机 32.回归 33.方差分析 34.方差分析2：处理交叉组 35.拟合模型就像玩俄罗斯方块一样 36.监督机器学习 37.无监督机器学习 38.大数据介绍 39.大数据的问题 40.法庭上的统计学 41.神经网络 42.战争 43.当预测失败时 44.当预测成功时