| 401. | Selectron tube | Wikipedia audio article | 147 | |
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| 402. | Dolgorsürengiin Dagvadorj | Wikipedia audio article | 146 | |
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| 403. | Aqua Teen Hunger Force (season 1) | Wikipedia audio article | 145 | |
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| 404. | Ash reshteh | Wikipedia audio article | 145 | |
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| 405. | Anarcho-communism | Wikipedia audio article | 145 | |
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| 406. | Rona (company) | Wikipedia audio article | 145 | |
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| 407. | Chess | Wikipedia audio article | 144 | |
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| 408. | International Year of Indigenous Languages | Wikipedia audio article | 144 | |
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| 409. | Neoliberalism in international relations | Wikipedia audio article | 143 | |
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| 410. | Technopoly: the Surrender of Culture to Technology | Wikipedia audio article | 143 | |
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| 411. | Thermal history of the Earth | Wikipedia audio article | 143 | |
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| 412. | Aryabhatta Research Institute of Observational Sciences | Wikipedia audio article | 142 | |
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| 413. | Islamism | Wikipedia audio article | 142 | |
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| 414. | Nairobi | Wikipedia audio article | 142 | |
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| 415. | Michał Kalecki | Wikipedia audio article | 142 | |
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| 416. | Saraswati | Wikipedia audio article | 142 | |
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| 417. | Shobana | Wikipedia audio article | 141 | |
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| 418. | Cuisine of India | Wikipedia audio article | 141 | |
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| 419. | Closed range theorem | Wikipedia audio article | 141 | |
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| 420. | Mars | Wikipedia audio article | 140 | |
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| 421. | Aviation accidents and incidents | Wikipedia audio article | 140 | |
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| 422. | Delta & Pine Land Company of Mississippi | Wikipedia audio article | 140 | |
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| 423. | Electric dipole transition | Wikipedia audio article | 139 | |
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| 424. | The Unix Programming Environment | Wikipedia audio article | 139 | |
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| 425. | Aon (company) | Wikipedia audio article | 139 | |
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| 426. | Ferdinand I of the Two Sicilies | Wikipedia audio article | 138 | |
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| 427. | Marie-Hélène Mathieu | Wikipedia audio article | 138 | |
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| 428. | Greco-Buddhist art | Wikipedia audio article | 138 | |
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| 429. | Max Planck Institute for Innovation and Competition | Wikipedia audio article | 138 | | The Institute
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| 430. | Crete | Wikipedia audio article | 138 | |
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| 431. | Staining (biology) | Wikipedia audio article | 138 | |
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| 432. | Marianne | Wikipedia audio article | 137 | |
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| 433. | Beecham (pharmaceutical company) | Wikipedia audio article | 137 | |
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| 434. | Hajj | Wikipedia audio article | 137 | |
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| 435. | Daylight factor | Wikipedia audio article | 136 | |
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| 436. | Unilever | Wikipedia audio article | 135 | |
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| 437. | Dongfeng Motor Company | Wikipedia audio article | 135 | |
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| 438. | Spectrum (functional analysis) | Wikipedia audio article | 134 | |
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| 439. | Zathura: A Space Adventure | Wikipedia audio article | 132 | | Zathura: A Space Adventure
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| 440. | Jogeshwari–Vikhroli Link Road | Wikipedia audio article | 132 | |
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| 441. | Menachem Mendel Schneerson | Wikipedia audio article | 131 | |
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| 442. | 2011 Christchurch earthquake | Wikipedia audio article | 131 | |
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| 443. | History of agriculture | Wikipedia audio article | 131 | |
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| 444. | Gir Forest National Park | Wikipedia audio article | 131 | |
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| 445. | Delmas (shipping company) | Wikipedia audio article | 131 | |
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| 446. | French invasion of Switzerland | Wikipedia audio article | 130 | |
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| 447. | Sanchi | Wikipedia audio article | 130 | |
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| 448. | Paradox of the plankton | Wikipedia audio article | 130 | |
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| 449. | List of Presidents of the Indian National Congress | Wikipedia audio article | 130 | |
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| 450. | Xenon flash lamp | Wikipedia audio article | 130 | |
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| 451. | Mathrafal | Wikipedia audio article | 130 | |
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| 452. | Nestucca Bay National Wildlife Refuge | Wikipedia audio article | 129 | |
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| 453. | Spectral mapping theorem | Wikipedia audio article | 129 | |
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| 454. | Smallpox | Wikipedia audio article | 129 | |
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| 455. | Supercontinent | Wikipedia audio article | 129 | |
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| 456. | Grande Armée | Wikipedia audio article | 129 | |
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| 457. | Fallschirmjäger (World War II) | Wikipedia audio article | 129 | |
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| 458. | Theory of Games and Economic Behavior | Wikipedia audio article | 129 | |
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| 459. | Antoine Barnave | Wikipedia audio article | 129 | |
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| 460. | Maharashtra Animal and Fishery Sciences University | Wikipedia audio article | 129 | |
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| 461. | Revelation, Rationality, Knowledge & Truth | Wikipedia audio article | 129 | |
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| 462. | Hans Egede | Wikipedia audio article | 128 | |
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| 463. | Black soybean | Wikipedia audio article | 128 | |
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| 464. | Chevrolet Big-Block engine | Wikipedia audio article | 127 | |
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| 465. | Sammarinese Fascist Party | Wikipedia audio article | 127 | |
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| 466. | Kerner (grape) | Wikipedia audio article | 126 | |
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| 467. | Longworth House Office Building | Wikipedia audio article | 126 | |
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| 468. | Benghazi | Wikipedia audio article | 125 | |
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| 469. | UK Gay Liberation Front 1971 Festival of Light action | Wikipedia audio article | 125 | |
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| 470. | Oldest synagogues in the World | Wikipedia audio article | 125 | |
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| 471. | International Harvester Company | Wikipedia audio article | 124 | |
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| 472. | William Morris Bioff | Wikipedia audio article | 124 | |
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| 473. | History of South India | Wikipedia audio article | 123 | |
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| 474. | Maudgalyayana | Wikipedia audio article | 123 | |
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| 475. | Japanese seaplane tender Akitsushima | Wikipedia audio article | 123 | |
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| 476. | Ready Jet Go! | Wikipedia audio article | 123 | |
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| 477. | Anadama bread | Wikipedia audio article | 123 | |
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| 478. | Technopark, Trivandrum | Wikipedia audio article | 123 | |
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| 479. | Kibo (ISS module) | Wikipedia audio article | 123 | |
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| 480. | Electric piano | Wikipedia audio article | 123 | |
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| 481. | Environmental issues in Kuwait | Wikipedia audio article | 122 | |
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| 482. | Ministry of Education and Science of Ukraine | Wikipedia audio article | 122 | |
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| 483. | Rocket-based combined cycle | Wikipedia audio article | 121 | |
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| 484. | Allergy | Wikipedia audio article | 121 | |
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| 485. | Blaise Diagne International Airport | Wikipedia audio article | 121 | |
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| 486. | Denti-alveolar consonant | Wikipedia audio article | 121 | |
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| 487. | Visakhapatnam | Wikipedia audio article | 121 | |
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| 488. | Iran Aviation Industries Organization | Wikipedia audio article | 121 | |
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| 489. | Chapin Mine Steam Pump Engine | Wikipedia audio article | 120 | |
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| 490. | Police | Wikipedia audio article | 120 | |
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| 491. | Buhl Planetarium and Institute of Popular Science Building | Wikipedia audio article | 120 | |
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| 492. | Home Timber and Hardware | Wikipedia audio article | 119 | |
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| 493. | Tokusatsu | Wikipedia audio article | 119 | |
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| 494. | Manfred Clynes | Wikipedia audio article | 119 | |
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| 495. | Sensor array | Wikipedia audio article | 119 | |
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| 496. | Parvati | Wikipedia audio article | 118 | |
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| 497. | Halley's Comet | Wikipedia audio article | 118 | |
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| 498. | T. M. Krishna | Wikipedia audio article | 118 | |
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| 499. | Biological plausibility | Wikipedia audio article | 118 | |
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| 500. | Biodegradation | Wikipedia audio article | 117 | |
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