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Cover of Knock Knock World | 2026
Knock Knock World | 2026
Making sense of fresh global stories with young people
Ongoing · Updated every Monday
Buy for ¥365.00
Audio in Chinese
Knock Knock World! A Brand-New Journey Begins in 2026 Disney Parks Are Packed on Holidays—Why Would No One Invest Seventy Years Ago? When Schools Ban Smartphones, What Exactly Are Adults Worried About? Hotter Summers, Torrential Rain, and Floods: Why Is the Climate Becoming More Extreme? Nobel Laureates Show Up in Person—What Makes the Ig Nobel Prizes So Appealing? 1. China's Astronauts Train in Caves for the First Time—Why Practice Underground for Space? 2. From Go to Pokémon: Why Do Technology Companies Have AI Play Games? 3. An Episode Recorded in the Middle East: Why Did the United States Strike Iran? Replay | Palestine Is Not Even a Fully Recognized State—Why Has It Fought Israel for So Long? Replay | Iran Threatens to Close the Strait of Hormuz—Why Might Your Toys Become More Expensive? 4. Humanoid Robots Fenced on the Spring Festival Gala—Are They Ready for Daily Life? 5. Beginning with Return of the Wolves: How Can Documentaries Change the Fate of Wildlife? 6. Blind Fans Can ‘See’ the Ball Cross the Field—How Does Technology Make Sport Accessible? 7. How Can a Video or Even an Emoji Become a Museum Collection Item? 8. How Can Playful Origami and Paper Cutting Help Solve Problems in Space? 9. Shenzhen Bay Park's Darkness Sparks Debate—Why Do Cities Need to Turn Out Lights for Birds? 10. Oil Prices Surge Worldwide—Why Do Experts Say China May Face a Smaller Shock? 11. Playing Instead of Chasing Results: How Did Norway Produce So Many Winter Olympic Champions? 12. Iran's Most Beautiful Palace Destroyed: Why Is Protecting Heritage in War So Difficult? 13. The Sea-Level Figure Used Worldwide Was Wrong—How Did That Happen? 14. How Did the Internet's Favorite ‘AI Lobster’ Become So Popular? 15. Completed after 144 Years: How Did Modern Technology Help the Sagrada Família Finish Its Homework? 16. Why Is Europe Restricting Loot-Box Games for Schoolchildren? 17. More Lost Cultural Objects Are Being Returned—How Can Their Road Home Become Easier? 18. Why Have Spring and Autumn School Breaks Become a National Priority This Year? 19. America Landed on the Moon over Fifty Years Ago—Why Is Returning Still So Hard? 20. Why Do Astronauts Spend Two Years Learning Photography before Going to Space? 21. When a Country Legislates for Reading, Should We Celebrate—or Reflect? 22. What New World Can a Bookshop inside a Food Market Open for Readers? 23. Why Did British and French Defense Agencies Ask Science-Fiction Writers to Write Stories? 24. Cheap Tickets, Huge Profits: How Do These Airlines Do It? 25. Mice, Monkeys, and More: How Are Once-Mandatory Animal Experiments Changing? 26. Why Would Anyone Smuggle Tiny Ants? 27. Chocolate, Coffee, and More: Why Do Scientists Say Some Smells Are Disappearing? 28. A Marathon in Two Hours: How Did Science Fiction Become Reality? 29. Why Are There ‘Insect Hotels’ from Chinese Parks to British Railway Stations? 30. What Is Hantavirus, and Why Are Cruise Ships Prone to Outbreaks? 31. Have You Heard of Smart Underwear That Detects Flatulence—and Why Would We Need It? 32. Why Hold Half-Marathons and Athletic Meets for Robots? 33. Why Is Trump's Visit to China a State Visit at the Highest Diplomatic Level? 34. Peru Gives Bees Legal Rights—Can a Bee Now Go to Court? 35. With Today's Technology, How Could Such a Serious Coal-Mine Accident Still Happen in Shanxi? 36. Half the World May Become Nearsighted—What Is Changing Our Eyes? 37. The Less Standard, the More Fun: What Makes a New Generation of Playgrounds Exciting? 38. Beyond Weight Gain, How Do Chips and Other Ultra-Processed Foods Affect Health? 39. Why Do Audiences Prefer the Chaoshan-Dialect Version of A Letter to Grandma Even If They Cannot Understand It? 40. How Is New Technology from a Chinese Company Fighting the World's Leading Infectious Killer? 41. Why Do Some Countries Allow Teenagers to Work after School? 42. Even Non-Fans Can Sing Along—How Did Theme Songs Become a World Cup Tradition? Replay | From the Jiangsu City League to the World Cup, Why Is Football So Universally Loved? 43. India Has Reached 50°C Before—Why Did This Year's Heat Draw So Much Attention? 44. The World Cup Trophy Has Enough History for an Entire TV Series 45. From a Refugee Camp to the World Cup: The Longest ‘Pass’ in Tournament History 46. Why Does Every World Cup Need a Brand-New Ball? 47. Beginning with Toy Story 5: How Else Can We Think about Anxiety-Inducing New Toys? 48. What Is Real Play, and Why Does It Deserve a Place on Your Calendar? 49. An Olympic Sport Judged by Improvisation? | Seriously Fun Sports 50. Voice Control and Regular Checkups: Can Public Toilets Be This Friendly? | Outdoor-Friendly Cities 51. Why Can No Summer Anywhere Do without Outdoor Cinema? | Seasonal Activities 52. Ten Days Traveling by Paddleboard—Can a Holiday Be This Different? | Seriously Fun Sports 53. Rain Does Not Stop the Fun: How Does Singapore Make It Work? | Outdoor-Friendly Cities 54. Why Is Cape Verde the World Cup's Biggest Dark Horse? 55. Instant Noodles and Talking Tom Race on the Track—What Kind of Competition Is This? | Seriously Fun Sports 56. How Do You Build a City Where a Ten-Year-Old Can Cycle Freely? | Outdoor-Friendly Cities 57. Why Is the Mongolian People's Most Important Festival Held Only in Summer? | Seasonal Activities 58. Scaling Walls and Rooftops: How Does Parkour Help You Find Your ‘Inner Monkey’? | Seriously Fun Sports 59. Why Does Vienna Pipe Spring Water into the Streets for Anyone to Drink? | Outdoor-Friendly Cities 60. Why Do Young People Worldwide Travel to Play an Advanced Version of Make-Believe? | Seasonal Activities 61. Called High-Tech Hide-and-Seek: What Makes Radio Direction Finding Fun? | Seriously Fun Sports 62. In Haaland's Norway, How Do Cities Stay Football-Friendly in Ice and Snow? | Outdoor-Friendly Cities 63. Why Are Fireflies Worth Pausing for This Summer? | Seasonal Activities 64. Flag Football: Can Flexible Hips Win the Match? | Seriously Fun Sports 65. Air Conditioners Sell Out—Why Is Affluent London So Unfriendly to Cooling? | Outdoor-Friendly Cities 66. This August, How Can We Watch the Same Celestial Spectacle as People a Thousand Years Ago? | Seasonal Activities 67. Football on a Curved Table-Tennis Table: How Do You Play Teqball? | Seriously Fun Sports 68. Not Even Sharks Keep People Ashore—How Did Sydney Become So Sea-Friendly? | Outdoor-Friendly Cities 69. What Is It Like to Escape Summer Heat in the Places Where Movie Characters Hide from Bombs? | Seasonal Activities 70. Canicross: Why Cross Mountains with a Dog? | Seriously Fun Sports 71. A Beach on the Seine and Moveable Park Chairs: How Does Paris Offer the Freedom to Lounge? | Outdoor-Friendly Cities 72. Fishing Season Opens! Why Must Going to Sea Wait for an Official Date? | Seasonal Activities 73. From Xu Xiake to Office Workers, Why Do People Love Hiking in the Mountains? | Seriously Fun Sports 74. Take a Random Bus to Adventure: How Transit-Friendly Is This Brazilian Town? | Outdoor-Friendly Cities Replay | Our Unanimous Pitch-Meeting Choice: Why Would AI Rather Lie than Say ‘I Don't Know’? 75. Tens of Thousands Smash 150 Tons of Tomatoes in an Hour—What Festival Is This? | Seasonal Activities 76. Harry Potter Captivates Readers—but Why Are Scholars Eager to Study It Too? 77. The Gyirong Border Port in Tibet Was Flattened—Why Was This Mudslide So Severe? 78. From Raising Turtles to ‘Discovering a New Species’: How Did a High-School Student Get There? 79. Why Are Neighborhood Chain Convenience Stores Less Profitable than Before? 80. Wear Bananas and Pineapples! Can Fruit Really Be Made into Clothes? 81. 汉堡、哈根达斯雪糕......国内航司怎么扎堆卖起了飞机餐？