| 401. | Why It's Almost Impossible to Plead Insanity | 16,355 | |
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| 402. | How This Lake Killed 2,000 People in a Day | 16,503 | |
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| 403. | Scientists Thought This Fish Was Extinct. Then We Found One. | 25,319 | |
|
| 404. | Sci-Fi Has Taken Over Real Life... Are You Ready? | 16,555 | |
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| 405. | Why Does This Airline Only Employ Women? RIF 91 | 16,581 | |
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| 406. | Billionaires Are Secretly Directing Asteroids To Earth and We Don’t Know Why | 25,000 | |
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| 407. | How To Catch a Killer | 16,626 | |
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| 408. | What Happened to the Man Who Jumped Off Niagara Falls? | 16,660 | |
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| 409. | Do Vaccines Really Cause Autism? | 16,674 | |
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| 410. | The Truth Behind the Most Disturbing Experiment in History | 16,743 | |
|
| 411. | Can You Shatter a Diamond? RIF 77 | 16,822 | |
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| 412. | Why This Gold Heist Changed Security Forever | 16,972 | |
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| 413. | Something Weird Is Happening in The Netherlands | 52,000 | |
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| 414. | 22 Surprising Facts About: Nazi Germany | 16,983 | |
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| 415. | Why Mind Reading Might Be Possible | 17,044 | |
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| 416. | Why Humans Could Be Living Underground in 10 Years | 17,096 | |
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| 417. | The 9 Most Extreme Places on Earth Right Now (Never Visit Unprepared) | 17,113 | |
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| 418. | How To Delay Death | 17,160 | |
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| 419. | This Coffin Stops You Being Buried Alive | 17,273 | |
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| 420. | Do You Have Alien Hand Syndrome? | 17,334 | |
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| 421. | 92% Of Your DNA Is From Your Parents. 8% Is Now From... | 35,000 | |
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| 422. | How the World's Smartest Criminals Were Caught By a Salami Sandwich | 35,000 | |
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| 423. | What Happened To The World's Wealthiest Woman? | 17,461 | |
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| 424. | Can a Doctor Legally Kill You? | 17,624 | |
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| 425. | Why This Man Was The FBI's Most Elusive Prey | 18,706 | |
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| 426. | How Self-Isolation Has Changed the World And Will Do Again | 17,634 | |
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| 427. | 10 Inventions That Changed the World | 17,756 | |
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| 428. | Why Did This Mad Genius Own a Private Island? | 17,846 | |
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| 429. | The Most Private Country on Earth is The Last Place You Expect | 17,889 | |
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| 430. | Why Did the British Army Hang This Monkey? | 17,963 | |
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| 431. | The Strange Science of Neutrinos | 17,984 | |
|
| 432. | Could the Sun Destroy Earth Tomorrow? | 18,000 | |
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| 433. | Why Does Unhealthy Food Taste So Good? | 18,158 | |
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| 434. | Meet the Most Amazing Dog That Ever Lived | 18,167 | |
|
| 435. | Millions Visit This City, But Nobody Wants To Live There. Why? | 28,000 | |
|
| 436. | Why Did This WWII Tank Float in the Air? | 18,258 | |
|
| 437. | What Is Dark Matter? | 18,276 | |
|
| 438. | The Incredible Survival Story Scientists Can't Explain | 44,000 | |
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| 439. | Why Did This Tennis Champion Start Killing People? | 18,296 | |
|
| 440. | What Causes the Northern Lights? | 18,315 | |
|
| 441. | The Simple Reason Why Nobody Could Defeat Napoleon | 82,000 | |
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| 442. | 7 Amazing Animal Abilities That You Wish You Had | 18,398 | |
|
| 443. | Trees Can TALK to Each Other... But How? | 18,412 | |
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| 444. | 7 Reasons Why You're Bad At Making Decisions | 18,413 | |
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| 445. | Can We Edit Earth? | 18,420 | |
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| 446. | Why Was There a War Over Dinosaur Bones? | 18,615 | |
|
| 447. | 5 Fastest Methods of Space Travel | 18,690 | |
|
| 448. | How Important Is The Moon? | 18,708 | |
|
| 449. | 10 Most Dangerous Places On Earth | 18,730 | |
|
| 450. | This Jellyfish Does Something Strange When It's Cut | 22,876 | |
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| 451. | Why America Built The Fastest Plane Ever Just To Spy On Russia | 18,793 | |
|
| 452. | How One Animal Ate 436 People | 18,836 | |
|
| 453. | Uncovering The Near Disaster Hidden In NASA's History | 18,850 | |
|
| 454. | How Computers Know What You'll Do Tomorrow | 18,894 | |
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| 455. | Why Is This Mysterious Lake Scattered With Ancient Human Remains? | 18,926 | |
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| 456. | Why This Corpse Will Probably Save Your Life | 18,937 | |
|
| 457. | Do Video Games Improve Reaction Times? | 19,057 | |
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| 458. | Why Your Name Decides Your Income | 19,061 | |
|
| 459. | Why Can't You Sleep? | 19,076 | |
|
| 460. | The Super Weapon That Could Destroy Planet Earth | 19,081 | |
|
| 461. | Inside the Briefcase That Could End the World | 19,104 | |
|
| 462. | What Is a "War Crime"? | 19,117 | |
|
| 463. | Could We Create Real Super Soldiers? | 19,179 | |
|
| 464. | Why Millennials Are The Most Unhealthy Generation Ever | 19,269 | |
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| 465. | Why You Could Go To Prison If Your Sausage Doesn't Work | 19,366 | |
|
| 466. | The Unsolved Murder That Made This Inbred Boy Famous | 36,000 | |
|
| 467. | Why the Treadmill Was Actually Invented to Torture You | 19,589 | |
|
| 468. | This Drink Changed The World | 19,643 | |
|
| 469. | What Is Love? | 19,688 | |
|
| 470. | Behind the Scenes of Your Memory is Remarkable | 19,713 | |
|
| 471. | This Man Lived With A Corpse For 7 Years And Nobody Noticed | 19,719 | |
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| 472. | How 4 Grandpas Robbed £14 Million Worth of Diamonds | 19,790 | |
|
| 473. | How Much Power Does The US President REALLY Have? | 19,875 | |
|
| 474. | What Are Blood Types? | 19,972 | |
|
| 475. | 2 Trillion Planets Have Gone Missing and We Don't Know Why | 34,000 | |
|
| 476. | Solve This Riddle to Unlock Millions | 20,021 | |
|
| 477. | 7 Things That Are Much Older Than You Think | 20,141 | |
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| 478. | Emperor Norton: America's Most Unconventional Leader | 20,186 | |
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| 479. | 9 Ways You're Living in the Future | 20,253 | |
|
| 480. | There Are Secret Oil Wells Hidden All Over Los Angeles... | 20,373 | |
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| 481. | How Police Are Predicting When Crimes Will Happen | 20,374 | |
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| 482. | Almost All Random Numbers Are Actually Fake | 20,422 | |
|
| 483. | 9 Most Expensive Things in The World | 20,432 | |
|
| 484. | What Secrets Are These Mysterious Cave Paintings Hiding? | 20,462 | |
|
| 485. | Meet The World's Most Dangerous Cult Leader | 20,553 | |
|
| 486. | Can You Upload Your Brain to a Computer? | 20,559 | |
|
| 487. | Meet the Real-Life James Bond | 20,579 | |
|
| 488. | 8 Mysterious Unsolved Crimes | 20,608 | |
|
| 489. | The Truth About What Facebook Really Does With Your Data | 20,666 | |
|
| 490. | What Is the Universe Expanding Into? | 20,713 | |
|
| 491. | How Did This Hotel Turn Its Guests Into Slaves on a Ship? | 20,855 | |
|
| 492. | Meet The World's Biggest Family: 193 Members! | 20,886 | |
|
| 493. | These Men Should Have Died, So How Did They Survive? | 20,890 | |
|
| 494. | Why Has Nobody Ever Seen the World's Most Famous Movie Director? | 20,957 | |
|
| 495. | In Your Lifetime You'll Never Think of an Original Idea | 21,113 | |
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| 496. | In Japan Innocent People Are FORCED to Confess to Crimes | 21,119 | |
|
| 497. | When WWII Turned Into a Real Life Horror Movie | 21,210 | |
|
| 498. | Top 10 Retail Ripoffs | 21,251 | |
|
| 499. | Meet the First Man to Fly Like a Bird | 21,372 | |
|
| 500. | 7 Amazing Structures Built By Animals | 21,392 | |
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