| 301. | Scientology: The Now Religion | Wikipedia audio article | 4 | Vlog |
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| 302. | Robin Hill (biochemist) | Wikipedia audio article | 4 | |
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| 303. | Coronal consonant | Wikipedia audio article | 4 | |
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| 304. | History of feminism | Wikipedia audio article | 4 | |
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| 305. | Operation Ichi-Go | Wikipedia audio article | 4 | |
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| 306. | Yaxchilan Lintel 24 | Wikipedia audio article | 4 | |
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| 307. | Karen K. Uhlenbeck | Wikipedia audio article | 4 | |
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| 308. | Ibaloi language | Wikipedia audio article | 4 | |
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| 309. | Georges J. F. Köhler | Wikipedia audio article | 4 | |
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| 310. | India Government Mint, Mumbai | Wikipedia audio article | 4 | |
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| 311. | Chattanooga Campaign | Wikipedia audio article | 4 | |
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| 312. | Treaty of Campo Formio | Wikipedia audio article | 4 | |
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| 313. | Racial segregation in the United States | Wikipedia audio article | 4 | |
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| 314. | Ptolemy | Wikipedia audio article | 4 | |
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| 315. | Rhind Mathematical Papyrus | Wikipedia audio article | 4 | | Papyrus
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| 316. | Ferroelectric polymers | Wikipedia audio article | 4 | |
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| 317. | Llanera, Nueva Ecija | Wikipedia audio article | 4 | |
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| 318. | Starfish | Wikipedia audio article | 4 | |
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| 319. | Quattrocento | Wikipedia audio article | 4 | |
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| 320. | Subspace (Star Trek) | Wikipedia audio article | 4 | |
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| 321. | Guimba, Nueva Ecija | Wikipedia audio article | 4 | |
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| 322. | Toyota GR engine | Wikipedia audio article | 4 | |
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| 323. | Hughes Tool Company | Wikipedia audio article | 4 | |
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| 324. | Ali Yavar Jung | Wikipedia audio article | 4 | |
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| 325. | Apache | Wikipedia audio article | 4 | | Apache
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| 326. | Sefako Makgatho Health Sciences University | Wikipedia audio article | 4 | |
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| 327. | Northeast Greenland National Park | Wikipedia audio article | 4 | |
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| 328. | Isoko people | Wikipedia audio article | 4 | |
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| 329. | Uatsdin | Wikipedia audio article | 4 | |
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| 330. | Rani Jhansi Marine National Park | Wikipedia audio article | 4 | |
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| 331. | Kelantanese Malay people | Wikipedia audio article | 4 | |
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| 332. | Crimean Karaites | Wikipedia audio article | 4 | |
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| 333. | Norman Borlaug | Wikipedia audio article | 4 | |
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| 334. | Cham alphabet | Wikipedia audio article | 4 | Let's Play |
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| 335. | U.S. Army Medical Research Institute of Infectious Diseases | Wikipedia audio article | 4 | |
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| 336. | Bai language | Wikipedia audio article | 4 | |
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| 337. | Viking (rocket engine) | Wikipedia audio article | 4 | |
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| 338. | Vatican Library | Wikipedia audio article | 4 | |
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| 339. | Beef hormone controversy | Wikipedia audio article | 4 | |
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| 340. | Satellite | Wikipedia audio article | 4 | |
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| 341. | Testosterone isocaproate | Wikipedia audio article | 4 | |
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| 342. | Lubert Stryer | Wikipedia audio article | 4 | |
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| 343. | Old World oriole | Wikipedia audio article | 4 | |
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| 344. | Merina Kingdom | Wikipedia audio article | 4 | |
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| 345. | Tablas Strait | Wikipedia audio article | 4 | |
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| 346. | Tourism in Karnataka | Wikipedia audio article | 4 | |
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| 347. | Scottish mythology | Wikipedia audio article | 4 | Vlog |
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| 348. | Israfil | Wikipedia audio article | 4 | |
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| 349. | Manuel I Komnenos | Wikipedia audio article | 4 | |
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| 350. | Leo Spaceman | Wikipedia audio article | 4 | |
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| 351. | William Rosecrans | Wikipedia audio article | 4 | |
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| 352. | Marguerite Porete | Wikipedia audio article | 4 | |
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| 353. | Solapur | Wikipedia audio article | 4 | |
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| 354. | Industrial Workers of the World | Wikipedia audio article | 4 | |
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| 355. | Ashkenazi | Wikipedia audio article | 4 | |
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| 356. | 6 World Trade Center | Wikipedia audio article | 4 | |
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| 357. | Robert Robinson (chemist) | Wikipedia audio article | 4 | |
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| 358. | Perry County, Alabama | Wikipedia audio article | 4 | |
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| 359. | Spanish National Research Council | Wikipedia audio article | 4 | |
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| 360. | Phom language | Wikipedia audio article | 4 | |
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| 361. | Banu Qurayza | Wikipedia audio article | 4 | |
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| 362. | Charles François Dumouriez | Wikipedia audio article | 4 | |
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| 363. | French language in Vietnam | Wikipedia audio article | 4 | |
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| 364. | Utility fog | Wikipedia audio article | 4 | |
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| 365. | 2013 FY27 | Wikipedia audio article | 4 | |
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| 366. | Languages of Mizoram | Wikipedia audio article | 4 | |
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| 367. | Malaysian Airlines Flight 370 | Wikipedia audio article | 3 | |
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| 368. | Aqua Augusta (Naples) | Wikipedia audio article | 3 | |
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| 369. | Muslim Brotherhood | Wikipedia audio article | 3 | |
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| 370. | José Coronel Urtecho | Wikipedia audio article | 3 | |
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| 371. | Senator Rene Cayetano Science and Technology High School | Wikipedia audio article | 3 | Vlog |
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| 372. | Maki Engineering | Wikipedia audio article | 3 | |
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| 373. | Sonia Greene | Wikipedia audio article | 3 | |
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| 374. | Environmental issues in Egypt | Wikipedia audio article | 3 | |
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| 375. | Osama bin Laden death conspiracy theories | Wikipedia audio article | 3 | |
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| 376. | History of computer and video games | Wikipedia audio article | 3 | |
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| 377. | Thomas Edison | Wikipedia audio article | 3 | |
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| 378. | Situated Knowledges | Wikipedia audio article | 3 | |
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| 379. | The Compendious Book on Calculation by Completion and Balancing | Wikipedia audio article | 3 | |
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| 380. | Ernest Renan | Wikipedia audio article | 3 | |
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| 381. | Aragh Sagi | Wikipedia audio article | 3 | |
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| 382. | John Quincy Adams | Wikipedia audio article | 3 | |
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| 383. | A. Sreedhara Menon | Wikipedia audio article | 3 | |
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| 384. | Static electricity | Wikipedia audio article | 3 | |
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| 385. | Eastern Orthodox Church | Wikipedia audio article | 3 | |
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| 386. | Iran | Wikipedia audio article | 3 | |
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| 387. | Baghdad | Wikipedia audio article | 3 | |
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| 388. | Malvar, Batangas | Wikipedia audio article | 3 | |
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| 389. | Pescennius Niger | Wikipedia audio article | 3 | |
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| 390. | Friedrich Schiller | Wikipedia audio article | 3 | |
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| 391. | Lillian Moller Gilbreth | Wikipedia audio article | 3 | |
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| 392. | Søren Kierkegaard | Wikipedia audio article | 3 | |
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| 393. | 2011 Japan earthquake | Wikipedia audio article | 3 | |
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| 394. | Alcohol fuel | Wikipedia audio article | 3 | |
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| 395. | Stasi | Wikipedia audio article | 3 | |
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| 396. | Yablochkov candle | Wikipedia audio article | 3 | |
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| 397. | Henri La Fontaine | Wikipedia audio article | 3 | |
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| 398. | Iraq | Wikipedia audio article | 3 | |
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| 399. | Uniforms of the United States Army | Wikipedia audio article | 3 | |
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| 400. | Illanun people | Wikipedia audio article | 3 | |
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