| 301. | Transgender | Wikipedia audio article | 322 | |
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| 302. | Palmitic acid | Wikipedia audio article | 321 | |
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| 303. | SuperDraco (rocket engine) | Wikipedia audio article | 321 | |
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| 304. | Religious violence in India | Wikipedia audio article | 321 | |
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| 305. | Modern liberalism in the United States | Wikipedia audio article | 321 | |
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| 306. | Malayan Peoples' Anti-Japanese Army | Wikipedia audio article | 320 | |
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| 307. | ABS-CBN News | Wikipedia audio article | 320 | |
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| 308. | Pune district | Wikipedia audio article | 320 | |
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| 309. | Metaxism | Wikipedia audio article | 319 | |
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| 310. | Canada | Wikipedia audio article | 318 | |
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| 311. | Gangubai Hangal | Wikipedia audio article | 318 | |
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| 312. | Panfilo Lacson | Wikipedia audio article | 317 | |
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| 313. | Luis Walter Alvarez | Wikipedia audio article | 316 | |
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| 314. | Hypatia | Wikipedia audio article | 316 | |
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| 315. | Vijaya Lakshmi Pandit | Wikipedia audio article | 314 | |
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| 316. | Bond Swamp National Wildlife Refuge | Wikipedia audio article | 313 | |
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| 317. | Our Lady of Pontmain | Wikipedia audio article | 312 | |
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| 318. | Philomaths | Wikipedia audio article | 312 | |
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| 319. | Thirteenth Amendment to the United States Constitution | Wikipedia audio article | 311 | |
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| 320. | Ethiopia | Wikipedia audio article | 310 | |
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| 321. | Capiznon language | Wikipedia audio article | 309 | |
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| 322. | Fuyu Kyrgyz language | Wikipedia audio article | 306 | |
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| 323. | Government College of Engineering & Textile Technology Serampore | Wikipedia audio article | 306 | Vlog |
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| 324. | Gheranda Samhita | Wikipedia audio article | 304 | |
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| 325. | Themistocles | Wikipedia audio article | 303 | |
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| 326. | Mahajani | Wikipedia audio article | 303 | |
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| 327. | U.S. Route 431 in Alabama | Wikipedia audio article | 301 | |
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| 328. | Mean speed theorem | Wikipedia audio article | 301 | |
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| 329. | Camelot Software Planning | Wikipedia audio article | 301 | |
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| 330. | Tawang language | Wikipedia audio article | 300 | |
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| 331. | V. K. R. Varadaraja Rao | Wikipedia audio article | 300 | |
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| 332. | List of universities in Greenland | Wikipedia audio article | 300 | |
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| 333. | Friedrich Schleiermacher | Wikipedia audio article | 300 | |
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| 334. | Netflix | Wikipedia audio article | 298 | |
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| 335. | Philippine Negrito languages | Wikipedia audio article | 298 | |
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| 336. | Colony of Aden | Wikipedia audio article | 297 | |
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| 337. | Space-filling model | Wikipedia audio article | 295 | |
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| 338. | Propaganda of the deed | Wikipedia audio article | 293 | |
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| 339. | Lolo-Burmese languages | Wikipedia audio article | 293 | |
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| 340. | Camelford water pollution incident | Wikipedia audio article | 293 | | The Incident
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| 341. | Pope Clement VIII | Wikipedia audio article | 292 | |
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| 342. | India | Wikipedia audio article | 292 | |
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| 343. | NHK World Premium | Wikipedia audio article | 292 | |
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| 344. | Indonesia | Wikipedia audio article | 291 | |
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| 345. | Begum Hazrat Mahal | Wikipedia audio article | 290 | |
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| 346. | Quintin Paredes | Wikipedia audio article | 290 | |
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| 347. | Krating Daeng | Wikipedia audio article | 290 | |
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| 348. | Eastern Chalukyas | Wikipedia audio article | 289 | |
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| 349. | Gregorian chant | Wikipedia audio article | 289 | | The Chant
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| 350. | Lyndon B. Johnson | Wikipedia audio article | 288 | |
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| 351. | Boston University | Wikipedia audio article | 288 | |
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| 352. | Kupati | Wikipedia audio article | 287 | |
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| 353. | Bren light machine gun | Wikipedia audio article | 286 | |
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| 354. | Inhalant | Wikipedia audio article | 285 | |
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| 355. | Retroflex lateral approximant | Wikipedia audio article | 285 | |
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| 356. | Mali Empire | Wikipedia audio article | 285 | |
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| 357. | Economy of Bihar | Wikipedia audio article | 285 | |
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| 358. | Luc Montagnier | Wikipedia audio article | 285 | |
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| 359. | Kongunadu Munnetra Kazhagam | Wikipedia audio article | 284 | |
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| 360. | Jimmy Carter | Wikipedia audio article | 284 | |
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| 361. | Charleston, South Carolina | Wikipedia audio article | 283 | |
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| 362. | Twelfth Night (holiday) | Wikipedia audio article | 283 | |
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| 363. | Religion in ancient Rome | Wikipedia audio article | 282 | |
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| 364. | Jaroslav Heyrovský | Wikipedia audio article | 282 | |
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| 365. | Mysore literature in Kannada | Wikipedia audio article | 281 | |
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| 366. | Parthian Empire | Wikipedia audio article | 280 | |
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| 367. | Indianapolis | Wikipedia audio article | 280 | |
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| 368. | Sutta Pitaka | Wikipedia audio article | Wikipedia audio article | 279 | |
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| 369. | Stingray light tank | Wikipedia audio article | 278 | |
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| 370. | Miriam Defensor Santiago | Wikipedia audio article | 278 | |
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| 371. | Kenya | Wikipedia audio article | 277 | |
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| 372. | Fundamental theorem of Riemannian geometry | Wikipedia audio article | 276 | |
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| 373. | GameCenter CX | Wikipedia audio article | 275 | |
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| 374. | 5-MeO-MALT | Wikipedia audio article | 274 | |
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| 375. | Escherichia coli | Wikipedia audio article | 274 | |
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| 376. | Plasma propulsion engine | Wikipedia audio article | 274 | |
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| 377. | Maitraka | Wikipedia audio article | 273 | |
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| 378. | Patricia Roberts Harris | Wikipedia audio article | 272 | |
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| 379. | Hazaragi dialect | Wikipedia audio article | 271 | |
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| 380. | National symbols of Japan | Wikipedia audio article | 271 | |
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| 381. | Thirty Years' War | Wikipedia audio article | 270 | |
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| 382. | Moscow Mathematical Papyrus | Wikipedia audio article | 270 | | Papyrus
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| 383. | Sirabi | Wikipedia audio article | 270 | |
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| 384. | Trans Australia Airlines Flight 538 | Wikipedia audio article | 269 | |
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| 385. | Wolf–Rayet star | Wikipedia audio article | 269 | |
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| 386. | Sex-determination system | Wikipedia audio article | 268 | |
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| 387. | Trans Tech | Wikipedia audio article | 268 | |
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| 388. | Piracy in the Atlantic World | Wikipedia audio article | 268 | |
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| 389. | Thurible | Wikipedia audio article | 268 | |
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| 390. | Yale University | Wikipedia audio article | 267 | |
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| 391. | Environmental stress cracking | Wikipedia audio article | 265 | |
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| 392. | Phlogiston theory | Wikipedia audio article | 264 | Vlog |
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| 393. | Wikipedia | Wikipedia audio article | 262 | |
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| 394. | Albanian nationalism | Wikipedia audio article | 262 | |
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| 395. | William McKinley | Wikipedia audio article | 262 | |
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| 396. | Philippine Basketball Association | Wikipedia audio article | 261 | |
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| 397. | Cabanossi | Wikipedia audio article | 261 | |
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| 398. | The Animal World (film) | Wikipedia audio article | 261 | |
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| 399. | World War I | Wikipedia audio article | 261 | |
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| 400. | Oto-Manguean languages | Wikipedia audio article | 260 | |
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