| 401. | Oto-Manguean languages | Wikipedia audio article | 260 | |
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| 402. | General Motors 90° V6 engine | Wikipedia audio article | 260 | |
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| 403. | Sea | Wikipedia audio article | 260 | |
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| 404. | Ham and egg bun | Wikipedia audio article | 260 | |
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| 405. | Jim Corbett National Park | Wikipedia audio article | 259 | |
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| 406. | Jacques-Louis David | Wikipedia audio article | 259 | |
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| 407. | Uzbekistan | Wikipedia audio article | 258 | |
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| 408. | Depleted uranium | Wikipedia audio article | 257 | |
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| 409. | Battle of Arras (1917) | Wikipedia audio article | 256 | |
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| 410. | Don Carlos Buell | Wikipedia audio article | 254 | |
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| 411. | Diego Velázquez de Cuéllar | Wikipedia audio article | 254 | |
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| 412. | Cherokee | Wikipedia audio article | 253 | |
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| 413. | Kakatiya dynasty | Wikipedia audio article | 252 | |
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| 414. | Mardijker language | Wikipedia audio article | 252 | |
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| 415. | Malaccan Malay people | Wikipedia audio article | 252 | |
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| 416. | Environmental impact of iron ore mining | Wikipedia audio article | 250 | |
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| 417. | Great Victoria Desert | Wikipedia audio article | 250 | |
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| 418. | Pandi, Bulacan | Wikipedia audio article | 250 | |
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| 419. | War Games (Space: 1999) | Wikipedia audio article | 249 | |
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| 420. | Mining industry of Burundi | Wikipedia audio article | 249 | |
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| 421. | Mithuben Petit | Wikipedia audio article | 249 | |
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| 422. | Allan R. Sandage | Wikipedia audio article | 248 | |
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| 423. | Real Audiencia of Charcas | Wikipedia audio article | 248 | |
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| 424. | Calcutta | Wikipedia audio article | 246 | |
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| 425. | Skanda Purana | Wikipedia audio article | 246 | |
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| 426. | Electrodeless lamp | Wikipedia audio article | 245 | |
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| 427. | Grated cheese | Wikipedia audio article | 245 | |
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| 428. | Albania | Wikipedia audio article | 245 | |
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| 429. | Dean Acheson | Wikipedia audio article | 245 | |
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| 430. | Parabasalid | Wikipedia audio article | 245 | |
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| 431. | Girish Karnad | Wikipedia audio article | 244 | |
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| 432. | Semi-Automatic Ground Environment | Wikipedia audio article | 244 | |
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| 433. | Kharosthi | Wikipedia audio article | 244 | |
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| 434. | Electronic dance music | Wikipedia audio article | 242 | |
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| 435. | Filipino food | Wikipedia audio article | 242 | |
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| 436. | Karnataka | Wikipedia audio article | 241 | |
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| 437. | Dutchie (doughnut) | Wikipedia audio article | 241 | |
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| 438. | The Gambia | Wikipedia audio article | 240 | |
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| 439. | Werner von Siemens | Wikipedia audio article | 239 | |
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| 440. | Smultring | Wikipedia audio article | 239 | |
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| 441. | Heterotopia (space) | Wikipedia audio article | 239 | |
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| 442. | 2-Fluorodeschloroketamine | Wikipedia audio article | 237 | |
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| 443. | Nayakas of Keladi | Wikipedia audio article | 236 | |
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| 444. | Johorean Malay people | Wikipedia audio article | 236 | |
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| 445. | Shaped Sonic Boom Demonstration | Wikipedia audio article | 235 | | Sonic Boom
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| 446. | Kamil Zvelebil | Wikipedia audio article | 235 | |
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| 447. | Northeast India | Wikipedia audio article | 235 | |
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| 448. | San Jose, California | Wikipedia audio article | 235 | |
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| 449. | Lagawe, Ifugao | Wikipedia audio article | 235 | |
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| 450. | Ras Laffan Industrial City | Wikipedia audio article | 235 | |
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| 451. | Cavalry | Wikipedia audio article | 234 | |
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| 452. | Women's rights | Wikipedia audio article | 234 | |
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| 453. | Chlorophyta | Wikipedia audio article | 233 | |
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| 454. | Bermudez Biscuit Company | Wikipedia audio article | 232 | |
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| 455. | Holland's Pies | Wikipedia audio article | 232 | |
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| 456. | Arab | Wikipedia audio article | 231 | |
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| 457. | Dr. Babasaheb Ambedkar Technological University | Wikipedia audio article | 231 | Vlog |
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| 458. | Filmjölk | Wikipedia audio article | 231 | |
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| 459. | Brajendra Nath Seal | Wikipedia audio article | 230 | |
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| 460. | North Pacific Subtropical Gyre | Wikipedia audio article | 230 | |
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| 461. | Home Alone 2: Lost in New York | Wikipedia audio article | 230 | |
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| 462. | Liberia | Wikipedia audio article | 229 | |
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| 463. | Basal plane | Wikipedia audio article | 228 | |
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| 464. | Johann Eck | Wikipedia audio article | 228 | |
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| 465. | Prince Motor Company | Wikipedia audio article | 228 | |
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| 466. | East India | Wikipedia audio article | 227 | |
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| 467. | Mathematical tile | Wikipedia audio article | 227 | |
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| 468. | Sisters of the Destitute | Wikipedia audio article | 227 | |
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| 469. | Biohazard | Wikipedia audio article | 227 | |
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| 470. | Biologic license application | Wikipedia audio article | 226 | Vlog |
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| 471. | Private investment in public equity | Wikipedia audio article | 226 | |
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| 472. | Goalpariya dialects | Wikipedia audio article | 226 | Let's Play |
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| 473. | 1960 U-2 incident | Wikipedia audio article | 226 | |
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| 474. | Pongal | Wikipedia audio article | 226 | |
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| 475. | History of the Jews in India | Wikipedia audio article | 225 | |
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| 476. | Sangam period | Wikipedia audio article | 225 | |
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| 477. | Berberis vulgaris | Wikipedia audio article | 224 | |
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| 478. | Wiccan views of divinity | Wikipedia audio article | 223 | |
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| 479. | National Lampoon's Class Reunion | Wikipedia audio article | 223 | |
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| 480. | Cambridge Academy for Science and Technology | Wikipedia audio article | 222 | Vlog |
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| 481. | Indian Information Service | Wikipedia audio article | 220 | Guide |
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| 482. | ISO/IEC 8859-1 | Wikipedia audio article | 220 | |
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| 483. | Toyota | Wikipedia audio article | 220 | |
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| 484. | Philippine Senate election, 2007 | Wikipedia audio article | 219 | |
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| 485. | Indian general election, 2004 | Wikipedia audio article | 219 | |
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| 486. | Yugoslavia | Wikipedia audio article | 218 | |
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| 487. | Cuisine of Paris | Wikipedia audio article | 217 | |
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| 488. | Kannada | Wikipedia audio article | 217 | |
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| 489. | Anti-Western sentiment | Wikipedia audio article | 217 | |
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| 490. | Somali maritime history | Wikipedia audio article | 216 | |
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| 491. | Mom and Dad Save the World | Wikipedia audio article | 216 | |
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| 492. | List of Georgian battles | Wikipedia audio article | 215 | |
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| 493. | History of the United States | Wikipedia audio article | Wikipedia audio article | 214 | |
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| 494. | The Bell Laboratory Science Series | Wikipedia audio article | 214 | |
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| 495. | Toronto Pearson International Airport | Wikipedia audio article | 213 | |
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| 496. | The Infinite Worlds of H. G. Wells | Wikipedia audio article | 213 | |
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| 497. | Doab | Wikipedia audio article | 212 | |
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| 498. | People's Republic of China | Wikipedia audio article | 212 | |
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| 499. | James Bevel | Wikipedia audio article | 211 | |
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| 500. | Child labour | Wikipedia audio article | 211 | |
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