| 401. | 8 Mysterious Unsolved Crimes | 775,592 | |
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| 402. | 2 Trillion Planets Have Gone Missing and We Don't Know Why | 775,245 | |
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| 403. | There Was a Secret Science Experiment at the 1906 Plymout Fair | 774,200 | |
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| 404. | Meet the Brutal Killer Who Wrote the English Dictionary | 771,630 | |
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| 405. | Why the True Story of The Exorcist Is Much Worse | 763,518 | |
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| 406. | Why Do These People Live in the Middle of a Lake? | 760,701 | |
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| 407. | The Trillion Dollar Scam You've Never Heard Of | 759,970 | |
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| 408. | Is an Asteroid About to Destroy Earth? | 752,906 | |
|
| 409. | 9 Foods With Surprising Origins | 752,334 | |
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| 410. | Alien Particles Are Causing Earth's Computers To CRASH! | 750,922 | |
|
| 411. | Nobody Who Entered This Ship Survived | 748,232 | |
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| 412. | Who is History's Greatest Leader? | 747,948 | |
|
| 413. | What's The Most Dangerous Animal? | 745,859 | |
|
| 414. | This Slime Could Replace Your Brain | 742,202 | |
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| 415. | The Pentagon Has a Plan to Stop a Zombie Apocalypse... | 740,711 | |
|
| 416. | Is God Made of Spaghetti? | 738,992 | |
|
| 417. | America: Who Got There First? | 735,183 | |
|
| 418. | Welcome To The Smallest Town in America... Population: 1 | 732,720 | |
|
| 419. | There's a New Type of Bee and You're Not Going to Like It | 724,057 | |
|
| 420. | Can You Get Smarter? | 723,527 | |
|
| 421. | Can Honey Work Better than Antibiotics? | 719,356 | |
|
| 422. | Surprising Facts About Google | 715,497 | |
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| 423. | Ancient Archeology's 7 Greatest Unsolved Mysteries | 701,786 | Vlog |
|
| 424. | Half The World is Infected With This Parasite | 701,316 | |
|
| 425. | Humans Are FORCING Animals to Evolve Faster | 698,064 | |
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| 426. | The Real Shark Attack That Inspired Jaws | 697,093 | |
|
| 427. | Why Do Coincidences Happen? | 693,229 | |
|
| 428. | In The Near Future Your Internet History Will Destroy Your Freedom | 692,387 | |
|
| 429. | There's a Strange Stone in the Middle of London and Nobody Knows Why | 691,245 | |
|
| 430. | How Did One Man Steal the Mona Lisa in Broad Daylight? | 686,941 | |
|
| 431. | How To Make Someone Fall In Love With You | 685,598 | Guide |
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| 432. | The World's 10 Healthiest Countries | 684,775 | |
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| 433. | How Much Power Does The US President REALLY Have? | 681,085 | |
|
| 434. | This Family Found a Talking Creature Living in Their Walls | 678,173 | |
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| 435. | What Are Blood Types? | 678,148 | |
|
| 436. | Why Did This Billionaire Go Insane? | 677,499 | |
|
| 437. | History's 10 Strangest Cures | 676,662 | |
|
| 438. | Why Zombies Would Probably Beat Humans | 676,435 | |
|
| 439. | Almost Everything in The Universe is Round and This is Why | 675,691 | |
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| 440. | Why We Might Actually Survive The End Of The Universe | 674,683 | |
|
| 441. | Why Your Keyboard Is Designed to Slow You Down | 673,248 | |
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| 442. | Why Did Drinking From this Bottle Make People Blind? | 671,746 | |
|
| 443. | On This Day Billions of Animals Suddenly Died and Nobody Knows Why | 670,811 | |
|
| 444. | What Would Happen if You Killed Someone in Your Sleep? | 670,352 | |
|
| 445. | Why This Unexplained Phenomenon Continues to Puzzle the World | 668,891 | |
|
| 446. | Surprising Facts About: Walmart | 668,673 | |
|
| 447. | This Is the Biggest Myth In Science | 661,277 | |
|
| 448. | History's 10 Deadliest Dictators | 659,867 | |
|
| 449. | What Happened to the Woman Who Walked 675 Miles? | 659,394 | |
|
| 450. | There Might Be Hidden Planets Inside Black Holes | 656,789 | | Star Trek Fleet Command
|
| 451. | Are We Living In a Simulation? | 656,701 | |
|
| 452. | Is Elon Musk Building a Real Jurassic Park? | 650,039 | |
|
| 453. | You Shouldn't Exist. So Why Do You? | 643,522 | |
|
| 454. | The Truth About What Facebook Really Does With Your Data | 643,235 | |
|
| 455. | Why Does This Airline Only Employ Women? RIF 91 | 634,726 | |
|
| 456. | Millions Visit This City, But Nobody Wants To Live There. Why? | 622,512 | |
|
| 457. | The Most Evil Serial Killers The FBI Can't Catch | 622,220 | |
|
| 458. | Why Do We Lie? | 616,275 | |
|
| 459. | 15 Amazing Things Your Body Does | 615,375 | |
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| 460. | Why the Real Planet of the Apes Already Exists | 614,322 | |
|
| 461. | Very Soon The World Could Run Out of Food | 612,482 | |
|
| 462. | Why Did Nazis All Have a Scar in the Same Place? | 612,107 | |
|
| 463. | What's The Strongest Creature on Earth? RIF 25 | 611,887 | |
|
| 464. | Can Pain Kill You? | 607,968 | |
|
| 465. | This Is The Most Dangerous Job in The World... | 607,481 | |
|
| 466. | Why the WOW Signal Is The Universe's Most Intriguing Mystery | 606,206 | |
|
| 467. | This Is The Most Addictive Thing You Can Put On Your Food | 605,273 | |
|
| 468. | The Apocalypse Earth Miraculously Escaped | 605,263 | |
|
| 469. | The Weirdest Ways You Could Die, Tomorrow... | 604,202 | |
|
| 470. | The Loophole Millionaires Use to Pay No Tax | 602,313 | |
|
| 471. | Billionaires Are Secretly Directing Asteroids To Earth and We Don’t Know Why | 600,152 | |
|
| 472. | Do Video Games Improve Reaction Times? | 599,148 | |
|
| 473. | Welcome to the Lighthouse Where People Disappear | 598,249 | |
|
| 474. | Why Did an Entire Town Turn Into Vampires? | 597,071 | |
|
| 475. | Has JFK's Real Assassin Finally Been Revealed? | 594,713 | |
|
| 476. | This Illness Turns You Into Jesus | 592,544 | |
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| 477. | World's Weirdest Natural Phenomena | 592,283 | |
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| 478. | 9 Crazy Crazes | 589,849 | |
|
| 479. | How The Country With the Most Gold Stole It From... | 588,933 | |
|
| 480. | Why Did This Mysterious Man Poison His Entire Town? | 585,276 | |
|
| 481. | Does Free Will Actually Exist? | 585,209 | |
|
| 482. | Why Is It So Hard to Remember Dreams? | 583,708 | |
|
| 483. | Why Luck BEATS Hard Work | 582,386 | |
|
| 484. | Almost Nobody Alive Can Finish The Race That Never Ends | 581,785 | |
|
| 485. | Are You a Mutant? RIF 29 | 579,610 | |
|
| 486. | Why We Still Don't Understand How the Ecosystem Works | 577,357 | |
|
| 487. | Rai Stones: The Most Mysterious Currency in History | 576,810 | |
|
| 488. | 18 Surprising Facts About: Instagram | 575,733 | |
|
| 489. | Why Has Nobody Ever Seen the World's Most Famous Movie Director? | 575,426 | |
|
| 490. | 5 Most Mysterious Mystics | 574,311 | |
|
| 491. | When WWII Turned Into a Real Life Horror Movie | 573,809 | |
|
| 492. | Why Do We Cry? | 573,151 | |
|
| 493. | Solve This Riddle to Unlock Millions | 573,021 | |
|
| 494. | Why Do We Celebrate Halloween? | 570,956 | |
|
| 495. | Why the Largest Living Thing Is Not What You Think | 570,725 | |
|
| 496. | The Shocking Truth About Life on Mars | 569,738 | |
|
| 497. | How Donating to Charity Can Make People Poorer | 568,675 | |
|
| 498. | Something Strange Happens When People Hold This Diamond | 567,841 | |
|
| 499. | Why Did the World Ignore This Island for 15 Years? | 566,756 | |
|
| 500. | Where Can You Eat The World's Hottest Curry? RIF 99 | 566,505 | |
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