| 201. | The Teenage Girl That Changed the Christian Religion | Aelia Pulcheria | 371 | |
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| 202. | Understanding Communism: Marx and the Soviet Union | Wondrium Perspectives | 387 | |
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| 203. | The Norse Gods Are Characters with Flaws | 393 | |
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| 204. | How to Quiet Your Busy Mind | Overcome Your Overthinking | 401 | Tutorial |
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| 205. | The Power of Mind over Body | Lecture One | 624 | |
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| 206. | What Does the Bible Say about Creating Humans? | Creation Stories of the Ancient World | 419 | |
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| 207. | The Rise of Charlemagne | 420 | |
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| 208. | Botany Basics | How to Identify Different Plant Species Around You | 426 | Tutorial |
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| 209. | How Politics Affect Constitutional Law | Judges and Political Influence | 428 | |
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| 210. | Why Did Rome Fall? | Wondrium Perspectives | 436 | |
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| 211. | Four Fascinating Paradoxes | Wondrium Perspectives | 466 | |
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| 212. | How Electricity Works | Understanding Electrical Engineering | 504 | |
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| 213. | Don't Use These Words! | The Dark Side of Communication | 522 | |
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| 214. | Is Light a Particle or a Wave? | The Theory of Everything: The Quest to Explain All Reality | 545 | |
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| 215. | What is Space-Time? | Wondrium Perspectives | 580 | |
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| 216. | The Fate of the Milky Way | 605 | |
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| 217. | The Illuminati and The Occult — Historian Answers all Your Questions | Wondrium Now | 654 | |
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| 218. | Uncovering the History of the Banjo with Rhiannon Giddens: From African Roots to American Music | 751 | |
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| 219. | The Strange Science of Schrödinger’s Cat and Quantum Superposition | 797 | |
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| 220. | Fossil Hunting 101 | Where to Look for Fossils, and How to Find Them | 834 | Guide |
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| 221. | A Pivotal Moment in the Ukraine Russia Crisis | Eastern European History | 1,132 | |
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| 222. | The First Few Minutes of the Universe | 1,155 | |
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| 223. | Why the Soviet Union Crumbled | Russia Takes Revenge | 1,428 | |
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| 224. | What Is the Quantum Theory of Matter? | The Theory of Everything: The Quest to Explain All Reality | 1,847 | |
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| 225. | Where Did the Biblical Creation Story Come From? | Creation Stories of the Ancient World | 1,847 | |
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| 226. | Can We Travel Faster Than Light? | Understanding the Misconceptions of Science | 1,937 | |
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| 227. | Life in a Medieval Palace | 2,005 | |
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| 228. | The Myth of The Beginning of Time | String Theory and the Big Bang | 2,138 | |
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| 229. | How Should the Constitution Be Interpreted? | Who Decides Its Meaning? | 2,203 | |
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| 230. | How We Know Dark Matter Exists | The Evidence for Modern Physics | 3,050 | | Dark Matter
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| 231. | Quantum Physics Explained | Wondrium Perspectives | 3,139 | |
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| 232. | UFOs and the Occult 2023 | Stories of Those Who Have Made Contact | 4,633 | |
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| 233. | How to Solve a Rubik's Cube in 8 Steps | The Math of Games and Puzzles | 7,305 | Tutorial |
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| 234. | Why the Speed of Light is the Ultimate Speed Limit | The Physics of the Universe | 7,389 | |
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| 235. | What is Gravity? | Wondrium Perspectives | 8,701 | |
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| 236. | The Jim Crow Era | A Stain on America's Past | 8,738 | |
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