The Agricultural Revolution: Crash Course World History #1
In which John Green investigates the dawn of human civilization. John looks into how people gave up hunting and gathering to become agriculturalists, and how that change has influenced the world we live in today. Also, there are some jokes about cheeseburgers. Additional reading: NIsa by Marjorie...
crashcourse- Length: 11:11
- Views: 498460
- Tags: John Green history agriculture ancient pre-history prehistoric farming double cheeseburger Charles Darwin Nisa crash course hank green vlogbrothers Documentary Culture herders sheep llama lama
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Evolutionary Development: Chicken Teeth - CrashCourse Biology #17
Hank introduces us to the relatively new field of evolutionary developmental biology, which compares the developmental processes of different organisms to determine their ancestral relationship, and to discover how those processes evolved. Also fruit flies with eyes on their legs and chickens wit...
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- Length: 10:57
- Views: 45765
- Tags: biology evo-devo evolution animal organism genetics science crashcourse developmental regulatory genes gap genes homeobox genes hox genes instructions hierarchy bill mcginnis junk DNA gene products embryo switzerland fruit fly scientist mutation gene expression chicken teeth
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Animal Development: We're Just Tubes - CrashCourse Biology #16
Hank discusses the process by which organisms grow and develop, maintaining that, in the end, we're all just tubes. Like CrashCourse on Facebook: www.facebook.com Follow CrashCourse on Twitter: www.twitter.com Table of Contents 1) Zygote 2:38 2) Morula 2:53 3) Blastula 3:25 4) Radial Symmetry 4:1...
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- Length: 11:32
- Views: 52180
- Tags: animal development biology science crashcourse animal classification phylum embryo organs cells complexity sperm egg zygote morula blastula mouth anus radial symmetry bilateral symmetry digestive tract gastrulation gastrula protostome deuterostome chordate vertebrate ectoderm endoderm germ layer mesoderm ernst haeckel recapitulation theory ontogeny phylogeny evolution embryology developmental biology
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International Commerce, Snorkeling Camels, and The Indian Ocean Trade: Crash Course World History
In which John Green teaches you the history of the Indian Ocean Trade. John weaves a tale of swashbuckling adventure, replete with trade in books, ivory, and timber. Along the way, John manages to cover advances in seafaring technology, just how the monsoons work, and there's even a disembowelmen...
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- Length: 10:15
- Views: 36783
- Tags: John Green History Documentary Culture homework help camels trade commerce international sailing ships shipping ivory timber lumber forestry Indian Ocean India China Africa Kenya Somalia Swahili Srivijiya Sri Lanka goods swords books Sri Lanka (Island) Boat Market Trading
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The Crusades - Pilgrimage or Holy War?: Crash Course World History #15
In which John Green teaches you about the Crusades embarked upon by European Christians in the 12th and 13th centuries. Our traditional perception of the Crusades as European Colonization thinly veiled in religion isn't quite right. John covers the First through the Fourth Crusades, telling you w...
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- Length: 11:33
- Views: 132978
- Tags: John Green crash course crashcourse history world history AP homework help crusade Urban Pope Gregory Richard Lionheart Philip II Spain Holy Land Jerusalem Damascus Saladin Saracens Turks Seljuk Crusader horses armies Peter the Hermit Venice Italy France England Walter Scott holy war vlogbrothers
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Christianity from Judaism to the Constantine: Crash Course World History #11
The Mongols Shirt is available for pre-order now! dft.ba In which John Green teaches you the history of Christianity, from the beginnings of Judaism and the development of monotheism, right up to Paul and how Christianity stormed the Roman Empire in just a few hundred years. Along the way, John w...
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- Length: 11:37
- Views: 188466
- Tags: John Green history lesson homework help world history AP learn Christianity Jesus Christ Roman Empire son of god Judaism Judea Messiah Jews God Monotheism Canaan Covenant Herod Jerusalem Mongols Roman Pilate Superstar Jesus Ezekiel Elijah Christian Vergil Augustus
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Mansa Musa and Islam in Africa: Crash Course World History #16
In which John Green teaches you about Sub-Saharan Africa! So, what exactly was going on there? It turns out, it was a lot of trade, converting to Islam, visits from Ibn Battuta, trade, beautiful women, trade, some impressive architecture, and several empires. John not only cover the the West Afri...
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- Length: 10:31
- Views: 111874
- Tags: John Green crashcourse world history Mansa Musa Malian Empire Mali Ghana homework help AP history facts Africa sub-saharan vlogbrothers documentary Ibn Battuta caravan trade Indian Ocean Trade Islam Muslim West Africa mosque Hajj Kaaba Kenya Somalia Mecca Venice Quran Muhammad
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Islam, the Quran, and the Five Pillars All Without a Flamewar: Crash Course World History #13
In which John Green teaches you the history of Islam, including the revelation of the Qu'ran to Muhammad, the five pillars of Islam, how the Islamic empire got its start, the Rightly Guided Caliphs, and more. Learn about hadiths, Abu Bakr, and whether the Umma has anything to do with Uma Thurman ...
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- Length: 12:54
- Views: 204066
- Tags: Islam Muhammad Mohammed Koran Quran Crash World Prophet Vlogbrothers Chase History homework help crashcourse Crash Course John Green World History AP Documentary
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The Dark Ages...How Dark Were They, Really?: Crash Course World History #14
John Green teaches you about the so-called Dark Ages, which it turns out weren't as uniformly dark as you may have been led to believe. While Europe was indeed having some issues, many other parts of the world were thriving and relatively enlightened. John covers European Feudalism, the cultural ...
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- Length: 12:08
- Views: 178888
- Tags: John Green Europe World History homework help China Arabia Turkey dark ages middle ages medieval test AP study learn Egypt Abbasid crashcourse vlogbrothers history France Italy Spain continents geography Ottoman Mongols feudal manor feudalism lord king serf peasant
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The Roman Empire. Or Republic. Or...Which Was It?: Crash Course World History #10
The Mongols Shirt is available for pre-order now! dft.ba In which John Green explores exactly when Rome went from being the Roman Republic to the Roman Empire. Here's a hint: it had something to do with Julius Caesar, but maybe less than you think. Find out how Caesar came to rule the empire, wha...
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- Length: 12:26
- Views: 159851
- Tags: romulus remus John Green Rome Roman Empire Caesar julius caesar senate assassination Crash Course history world history Roman Roman Republic consul monarch legislators patricians plebeians consuls Marc Antony Pompey dictator Cincinnatus caesarian section army triumvirate Cleopatra Ptolemy Roman Army legion centurion Rubicon vlogbrothers learn homework homework help AP lessons Augustus Octavian Lepidus civil war
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Mesopotamia: Crash Course World History #3
In which John presents Mesopotamia, and the early civilizations that arose around the Fertile Crescent. Topics covered include the birth of territorial kingdoms, empires, Neo-Assyrian torture tactics, sacred marriages, ancient labor practices, the world's first law code, and the great failed roma...
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- Length: 12:06
- Views: 224685
- Tags: John Green mesopotamia sumer hammurabi assyria assyrian ashur gilgamesh enkidu ancient civilization tigris euphrates Assyrian People fertile crescent iraq history world history AP Culture sumeria Egypt
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The Silk Road and Ancient Trade: Crash Course World History #9
The Mongols Shirt is available for pre-order now! dft.ba The Silk Road and Ancient Trade: In which John Green teaches you about the so-called Silk Road, a network of trade routes where goods such as ivory, silver, iron, wine, and yes, silk were exchanged across the ancient world, from China to th...
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- Length: 10:31
- Views: 150367
- Tags: history education homework homework help world history china trade chinese history asia central asia silk road silk clothing goods consumer products yeuzhi mongols crashcourse john green crash course nerdfighters vlogbrothers learning research buddhism buddha eight fold path disease bodhisattvas plague bubonic plague black plague transit caravan nomads camel market Documentary Culture Trading
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Indus Valley Civilization: Crash Course World History #2
In which John Green teaches you about the Indus Valley Civilization, one of the largest of the ancient civilizations. John teaches you the who, how, when, where and why of the Indus Valley Civilization, and dispenses advice on how to be more successful in your romantic relationships. Additional R...
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- Length: 9:35
- Views: 237898
- Tags: John Green Crashcourse Documentary Valley Culture History vlogbrothers India Pakistan Indus agricultural revolution ancient history AP world history civilization world civ civilizations
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That's Why Carbon Is A Tramp: Biology #1
And thus begins the most revolutionary biology course in history. Come and learn about covalent, ionic, and hydrogen bonds. What about electron orbitals, the octet rule, and what does it all have to do with a mad man named Gilbert Lewis? It's all contained within. Like Crash Course on...
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- Length: 12:33
- Views: 380616
- Tags: biology crashcourse gilbert lewis carbon hydrogen electron proton covalent bonds ion octet rule polar non-polar ionic bond hydrogen bond hank green john green vlogbrothers nobel
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Wait For It...The Mongols!: Crash Course World History #17
Mongols T-Shirt: dftba.com In which John Green teaches you, at long last, about the most exceptional bunch of empire-building nomads in the history of the world, the Mongols! How did the Mongols go from being a relatively small band of herders who occasionally engaged in some light hunting-gather...
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- Length: 11:32
- Views: 110586
- Tags: John Green crash course crash course History world history AP exam homework help study learn mongols Genghis Mongke Ogadai Khan Khanate Mongolia China Russia Asia conquer India bubonic plague plague yersinia pestis Documentary School college
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Natural Selection - CrashCourse Biology #14
Hank guides us through the process of natural selection, the key mechanism of evolution. Like CrashCourse on Facebook: www.facebook.com Follow CrashCourse on Twitter: www.twitter.com Table of Contents: 1) Natural Selection 1:27 2) Adaptation 2:56 3) Fitness 3:36 4) Four Principals 3:54 a. Variati...
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- Length: 12:45
- Views: 64720
- Tags: crashcourse science biology natural selection genetics peppered moth inherited traits population genetics charles darwin darwin on the origin of species evolution adaptation galapagos finches fitness variation phenotype heritable malthus survival rate reproductive rate crossbreeding inbreeding genotype directional selection stabilizing selection disruptive selection selective pressures sexual selection artificial selection selective breeding
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