| 301. | Unravelling the Mystery of the Infantorium | 1,070,478 | |
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| 302. | Why Does Canada Keep Leaving Bottles of Whiskey on This Remote Island? | 1,063,445 | |
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| 303. | The Real Reason Why the FBI Was Created | 1,058,871 | |
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| 304. | You Could Get Away With Murder With This Loophole | 1,052,098 | |
|
| 305. | Scientists Weren't Prepared For What They Found on This Submarine Wreck | 1,051,975 | |
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| 306. | Does the Antichrist Really Exist? | 1,047,558 | |
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| 307. | The Truth Behind The Most Impossible Survival Story Ever Told | 1,040,845 | |
|
| 308. | Why Does Everyone on this Island Live to Over 100-Years-Old? | 1,029,395 | |
|
| 309. | What Is Time? | 1,029,122 | |
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| 310. | Why Are We Afraid Of The Dark? | 1,025,896 | |
|
| 311. | Why Do We Have Accents? | 1,024,835 | |
|
| 312. | We Need To Talk About The Weather | 1,022,429 | |
|
| 313. | Step Inside The Disturbing Experiments Of The Mad Doctor | 1,019,824 | |
|
| 314. | 5 Incredible Numbers With Bizarre Powers | 1,017,900 | |
|
| 315. | Why Do Chinese Buildings Have Giant Holes? RIF 97 | 1,017,637 | |
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| 316. | The Incredible Survival Story Scientists Can't Explain | 1,011,151 | |
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| 317. | Meet the Man Who Found a Real Mermaid Skeleton | 1,010,579 | |
|
| 318. | Does Prison Actually Make a Difference? | 1,008,168 | |
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| 319. | How The Butterfly Effect Has Messed Up Your Life | 1,006,212 | |
|
| 320. | 6 Extremely Bizarre Brain Disorders | 1,000,863 | |
|
| 321. | The Real-Life Revenant Was So Much Worse | 997,142 | |
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| 322. | How a Man Survived The Strangest Accident in History | 995,271 | |
|
| 323. | 5 Steps to Colonising Mars in The Next 10 Years | 995,090 | |
|
| 324. | 9 Lethal Locations That Might Surprise You! | 995,025 | |
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| 325. | This Revealing Science Explains Why People See Ghosts | 979,094 | |
|
| 326. | Millions of People Are Suddenly Faking Food Allergies | 970,724 | |
|
| 327. | History's Most Unbelievable Survival Story Is Actually True | 970,359 | |
|
| 328. | What Really Happened on the Set of the Weirdest Movie Ever? | 969,515 | |
|
| 329. | Waves Are Getting Bigger and We Don't Know Why | 966,074 | |
|
| 330. | Have We Actually Just Found Aliens? | 965,131 | |
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| 331. | The Real Reason Why All the Bees Are Dying | 959,954 | |
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| 332. | The Strange Habits That Will Make You a Billionaire | 959,165 | |
|
| 333. | 7 Most Terrible Tyrants From History | 948,956 | |
|
| 334. | The Internet Has Died | 947,129 | |
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| 335. | Why Does Unhealthy Food Taste So Good? | 946,046 | |
|
| 336. | The 3 Brain Types and What They Mean | 945,823 | |
|
| 337. | What You See Isn't Real. This is Why | 943,672 | |
|
| 338. | How Your Brain Controls You and How to Hack It | 943,603 | Guide |
|
| 339. | You Won't Believe What This Serial Killer Turned Her Victims Into... | 935,091 | |
|
| 340. | You've Been Lied to About Mount Everest | 934,819 | |
|
| 341. | Every Page In This Book Is Disturbing. But This One Stands Out | 933,409 | |
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| 342. | The Dirty Secrets Celebrities Used to Get Famous | 928,959 | |
|
| 343. | This Strange Island Suddenly Disappeared From Every Map | 925,661 | |
|
| 344. | How to Become a Millionaire in 27 Days! RIF 49 | 924,895 | |
|
| 345. | The 9 Most Extreme Places on Earth Right Now (Never Visit Unprepared) | 920,216 | |
|
| 346. | Why Did These American Settlers Eat Each Other? | 919,937 | |
|
| 347. | Will Humans Ever be Able to Teleport? | 918,498 | |
|
| 348. | Australia Had a Full-Blown War Against Emus and Lost | 913,188 | |
|
| 349. | Meet Paris' Secret Underground Society | 911,620 | |
|
| 350. | The Truth Behind the Biggest UFO Cover-Up Ever | 910,274 | |
|
| 351. | The London Underground Has Secrets You Wouldn't Expect | 908,762 | |
|
| 352. | The Real Atlantis is Hiding Underneath Britain | 907,170 | |
|
| 353. | The Lunatic Responsible for Destroying Every Beautiful City in the World | 893,699 | |
|
| 354. | This Species Of Crocodile Is One Of The Most Dangerous Animals On The Planet. | 892,698 | |
|
| 355. | 10 Surprising Facts About: Planet Earth | 888,769 | |
|
| 356. | In Japan Innocent People Are FORCED to Confess to Crimes | 884,080 | |
|
| 357. | This Deadly Virus Has Been Frozen for 4 Million Years | 876,883 | |
|
| 358. | Why Beauty Is A Scam... | 875,968 | |
|
| 359. | Meet the Bagpipe-Playing Unkillable Soldier | 873,573 | |
|
| 360. | Meet The World's Biggest Family: 193 Members! | 873,321 | |
|
| 361. | How 4 Grandpas Robbed £14 Million Worth of Diamonds | 872,135 | |
|
| 362. | There Are Secret Oil Wells Hidden All Over Los Angeles... | 870,176 | |
|
| 363. | Is Santa Real? Science Says Yes! | 870,171 | |
|
| 364. | Has the Ark of the Covenant Been Found? | 869,888 | |
|
| 365. | The Strange Bridge That Kills Dogs | 863,146 | |
|
| 366. | The Simple Machine That Can Bring the Dead Back to Life | 855,061 | |
|
| 367. | What Happened When America Tried to Invade Britain? | 853,282 | |
|
| 368. | Why Did the Best Surgeon in History Kill Most of His Patients? | 852,921 | |
|
| 369. | Why Did the Best Burglar in History Live Here? | 850,927 | |
|
| 370. | The Shocking Truth About The World's Only Sea Without Shores | 849,023 | |
|
| 371. | Can You Eat People? | 848,728 | |
|
| 372. | Meet the Deadliest Creature in the Ocean | 845,595 | |
|
| 373. | Why You Should ALWAYS Trust Your Gut Instinct... | 845,450 | |
|
| 374. | Why Procrastination is Actually Good For You... | 844,072 | |
|
| 375. | Who Took the Children From This Village? | 843,072 | |
|
| 376. | What Happened To The Only Black Man Who Joined The KKK? | 839,703 | |
|
| 377. | This One Thing Is Poisoning All Of Us | 839,458 | |
|
| 378. | What Is the Universe Expanding Into? | 839,244 | |
|
| 379. | Only One Man Knows Who Climbed Everest First and We Can't Find Him | 838,748 | |
|
| 380. | Why Eating People is A Lot More Common Than You Think | 828,902 | |
|
| 381. | The Creepiest Unexplained Disappearances | 823,329 | |
|
| 382. | This Is What Really Happened Inside Insane Asylums | 823,210 | |
|
| 383. | The Greatest Scientist in History Was Hiding a Deadly Secret | 817,463 | |
|
| 384. | The Bizarre Diet That Causes The Royals to Live so Long | 816,000 | |
|
| 385. | 7 Things That Are Much Older Than You Think | 814,584 | |
|
| 386. | The Unsolved Murder That Made This Inbred Boy Famous | 813,603 | |
|
| 387. | How the World's Smartest Criminals Were Caught By a Salami Sandwich | 808,506 | |
|
| 388. | This is The Only Thing Humans Will Leave Behind | 808,201 | |
|
| 389. | Meet the Victorian Demon Nobody Could Catch | 805,321 | |
|
| 390. | These Revolutionary Robots are About to Steal Your Job | 804,380 | |
|
| 391. | Why The Popes Army Is The Strangest In The World | 798,223 | |
|
| 392. | The Real Reason You're a Picky Eater | 795,153 | |
|
| 393. | Can This Strange Mushroom Really Double Your Brain Power? | 795,137 | |
|
| 394. | The Terrifying Nuclear Disaster You've Never Heard Of | 793,185 | |
|
| 395. | Why Is This Mysterious Lake Scattered With Ancient Human Remains? | 790,459 | |
|
| 396. | Why Could Nobody Catch This Nazi Spy? | 782,674 | |
|
| 397. | 7 Amazing Animal Abilities That You Wish You Had | 782,625 | |
|
| 398. | Humanity Has Already Hit Its Storage Limit Twice. Next Time Will Be Different. | 778,198 | |
|
| 399. | Why Do We Believe in Conspiracy Theories? | 777,153 | |
|
| 400. | These People Eat Sunlight Instead of Food | 776,312 | |
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