Unintended Consequences
By Patrick · Nerra Network
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Category: Self-Improvement
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Episodes: 171
Description
Every day, one true story of good intentions gone sideways. From cobra bounties in colonial Delhi to recommendation algorithms, each episode follows a single case through the original idea, how it rolled out, the unintended fallout, and the lessons that still apply — told with empathy for the people who tried.
AI Disclosure: This podcast is curated by Patrick but uses AI-generated voice synthesis for audio production.
| Episode | Date |
|---|---|
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Ep 171: The Cactoblastis moth cleared 24 million hectares of Australian prickly pear but now…
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Nov 12, 2026 |
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Ep 170: Kenya's 2018 charcoal ban drove a 133 percent surge in imports from Uganda within six…
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Nov 11, 2026 |
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Ep 169: Twenty-three million metric tons of road salt spread each winter now salinize forty-four…
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Nov 10, 2026 |
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Ep 168: GI Bill mortgages raised homeownership from 44 to 62 percent, steering veterans into car…
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Nov 09, 2026 |
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Ep 167: One hundred starlings released in 1890 now number roughly 150 million and cause eight…
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Nov 08, 2026 |
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Ep 166: Mexico City's 1989 Hoy No Circula program prompted 85,000 annual used-vehicle imports…
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Nov 07, 2026 |
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Ep 165: Red-light cameras cut right-angle crashes 24.6 percent yet raised rear-end crashes 14.9…
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Nov 06, 2026 |
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Ep 164: By 2012 the Comprehensive Agrarian Reform Program had distributed 4.49 million hectares…
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Nov 05, 2026 |
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Ep 163: The 1986 Oosterschelde barrier cut tidal volume by thirty percent, leaving a four-hundred…
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Nov 04, 2026 |
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Ep 162: Britain's 1696 window tax led owners to seal thousands of windows, darkening homes and…
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Nov 03, 2026 |
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Ep 161: Over 500 native species vanished from Lake Victoria after Nile perch were introduced in…
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Nov 02, 2026 |
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Ep 160: The 1968 National Flood Insurance Act produced 25 percent more housing starts in…
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Nov 01, 2026 |
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Ep 159: Flight envelope protection cut fatal loss-of-control accidents 91 percent yet left pilots…
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Oct 31, 2026 |
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Ep 158: After banning four breeds in 1991, UK dog bite hospital admissions rose 81 percent by 2017.
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Oct 30, 2026 |
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Ep 157: The 22 trillion won Four Rivers Project’s 16 weirs slowed flows and caused algal blooms…
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Oct 29, 2026 |
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Ep 156: The 1990 Clean Air Act gave 3.5 million extra allowances to scrubber plants, keeping high…
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Oct 28, 2026 |
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Ep 155: The lifeboat rules passed after the Titanic sank capsized the Eastland, drowning 844…
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Oct 27, 2026 |
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Ep 154: In 1972 Inco built a 381-metre stack to clear Sudbury's air, and sent the sulphur…
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Oct 26, 2026 |
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Ep 153: Over 80 percent of Israel's wastewater reused for irrigation lowered citrus yields by 20…
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Oct 25, 2026 |
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Ep 152: Ban-the-box laws widened the Black-White job callback gap from 7 to 43 percent in New…
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Oct 24, 2026 |
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Ep 151: Diclofenac given to Indian cattle from 1994 cut vulture numbers by 97 percent or more and…
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Oct 23, 2026 |
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Ep 150: India issued 80 million free gas connections since 2016, yet 90 percent of users still…
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Oct 22, 2026 |
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Ep 149: Wolves entering 29 Wisconsin counties cut deer-vehicle collisions by about 24 percent.
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Oct 21, 2026 |
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Ep 148: In 1988, the Philippine law meant to redistribute 4,900 hectares of Hacienda Luisita…
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Oct 20, 2026 |
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Ep 147: Thirty-eight Dutch Large Coppers released at Woodwalton Fen in 1927 required annual…
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Oct 19, 2026 |
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Ep 146: The 2007 Renewable Fuel Standard expanded U.S. corn area by 2.8 million hectares, raising…
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Oct 18, 2026 |
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Ep 145: Thirty-two major dams on the Tigris and Euphrates reduced the flood pulses that fed Iraq's…
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Oct 17, 2026 |
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Ep 144: Seventy percent of Strait of Georgia coho catch came from hatcheries by 2001 despite lower…
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Oct 16, 2026 |
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Ep 143: Over twenty million flex-fuel vehicles earned CAFE credits yet used almost no E85 because…
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Oct 15, 2026 |
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Ep 142: In 1883 seventy-two mongooses released on one island to protect sugarcane also began…
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Oct 14, 2026 |
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Ep 141: James Watt's engine used one-third the coal of Newcomen engines but raised Britain's coal…
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Oct 13, 2026 |
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Ep 140: For every 100 acres idled by the Conservation Reserve Program, farmers converted 20 acres…
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Oct 12, 2026 |
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Ep 139: South Georgia toothfish licences were issued by Britain, not Argentina — and the orca calf claim remains unsupported.
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Oct 11, 2026 |
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Ep 138: Compensation for 10,000 wolf-killed reindeer annually let Finnish herds grow and deplete…
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Oct 10, 2026 |
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Ep 137: Peru granted foreign firms rights to mine Chincha guano for agriculture, exhausting the…
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Oct 09, 2026 |
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Ep 136: Netherlands banned cockle dredging to heal the Wadden Sea, then watched eider ducks drop…
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Oct 08, 2026 |
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Ep 135: Israel's desalination plants solved its own water shortages but left the lower Jordan…
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Oct 07, 2026 |
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Ep 134: New Zealand's 1080 drops targeted possums to protect forests and cattle, yet stoats turned…
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Oct 06, 2026 |
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Ep 133: Chile created tradable water rights to send every drop to its highest-value use — and left…
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Oct 05, 2026 |
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Ep 132: Philippine subsidies to preserve Ifugao rice terraces and install concrete canals instead…
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Oct 04, 2026 |
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Ep 131: Irish policies promoted the single Lumper potato to feed a growing population, but one…
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Oct 03, 2026 |
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Ep 130: Europe's diesel tax breaks cut CO2 but filled city streets with nitrogen dioxide instead.
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Oct 02, 2026 |
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Ep 129: Dutch engineers drained peat wetlands to create farmland — and turned the soil itself into…
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Sep 30, 2026 |
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Ep 128: Denmark paired generous benefits with mandatory training to protect workers, yet employers…
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Sep 28, 2026 |
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Ep 127: Sweden's 2016 nuclear capacity tax aimed to favor renewables but triggered early reactor…
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Sep 27, 2026 |
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Ep 126: The treaty that saved the ozone layer quietly accelerated global warming through its…
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Sep 26, 2026 |
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Ep 125: Kenya gave free uniforms to boost primary-school enrollment, but families redirected the…
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Sep 25, 2026 |
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Ep 124: Soviet planners diverted two rivers to grow cotton in Central Asia, and the Aral Sea…
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Sep 24, 2026 |
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Ep 123: Japan's rice price supports kept steep terraces farmed until aging left them abandoned to…
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Sep 23, 2026 |
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Ep 122: Post-Soviet Russia leased its Siberian forests for sustainable harvesting, but self…
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Sep 22, 2026 |
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Ep 121: South Korea charged shoppers for thin plastic bags in 1999 to cut waste, only to watch…
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Sep 21, 2026 |
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Ep 120: Australia built a 1907 fence across Western Australia to stop rabbits from spreading, yet…
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Sep 20, 2026 |
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Ep 119: Norway introduced vessel quotas to protect cod stocks, only to watch fishers discard…
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Sep 19, 2026 |
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Ep 118: Swiss subsidies paid farmers per grazed hectare to keep alpine meadows alive, yet the…
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Sep 18, 2026 |
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Ep 117: Europe mandated biofuels to cut emissions — and triggered peat-forest clearing whose…
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Sep 17, 2026 |
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Ep 116: Airbags were engineered to protect unbelted adults in frontal crashes, yet the same…
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Sep 16, 2026 |
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Ep 115: Spain built high-speed AVE rail to replace short-haul flights between its biggest cities…
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Sep 14, 2026 |
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Ep 114: U.S. sugar tariffs meant to protect farmers instead pushed manufacturers toward high…
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Sep 13, 2026 |
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Ep 113: Canada closed the cod fishery to protect Newfoundland stocks, then steered fishers toward…
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Sep 12, 2026 |
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Ep 112: Australia switched its roads to metric signs to simplify measurements and match global…
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Sep 11, 2026 |
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Ep 111: E-cigarettes were created to help adult smokers quit, yet they recruited a new generation…
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Sep 10, 2026 |
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Ep 110: Italy's post-2009 tax credits for seismic upgrades rewarded money spent on buildings…
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Sep 09, 2026 |
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Ep 109: Finland's 2017 basic-income trial raised part-time work without lifting full-time…
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Sep 08, 2026 |
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Ep 108: Villagers hugged trees in Uttarakhand to stop commercial logging and protect their…
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Sep 07, 2026 |
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Ep 107: Poland subsidized coal-to-gas boiler swaps to cut emissions, only to see methane leaks…
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Sep 06, 2026 |
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Ep 106: London's 2003 congestion charge eased central traffic but pushed all-day parking into the…
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Sep 04, 2026 |
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Ep 105: Chile's 1981 pension privatization sought stronger retirement savings but instead expanded…
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Sep 03, 2026 |
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Ep 104: Britain taxed homes by counting their windows to avoid prying inside — and owners bricked…
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Sep 02, 2026 |
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Ep 103: South Africa's post-apartheid fishing quotas were meant to spread ownership — and instead…
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Sep 01, 2026 |
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Ep 102: Khrushchev sent tractors across the Kazakh steppe to grow more grain and instead watched…
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Aug 31, 2026 |
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Ep 101: Norman Borlaug’s dwarf wheat ended India’s grain crises but left Punjab’s water table…
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Aug 29, 2026 |
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Ep 100: Dutch subsidies boosted bicycle commuting by more than 40 percent, yet absolute head…
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Aug 28, 2026 |
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Ep 99: Brazil planted fuel on its best pasture to replace oil — and the cattle walked north into…
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Aug 27, 2026 |
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Ep 98: The treaty that healed the ozone layer accidentally put a climate accelerator in the…
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Aug 23, 2026 |
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Ep 97: Norway went electric faster than any country on Earth. Its old gasoline cars just changed…
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Aug 22, 2026 |
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Ep 96: Deposit insurance stopped the bank run — then paid for a decade of thrift gambling that…
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Aug 21, 2026 |
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Ep 95: The 1986 ban was meant to end commercial whaling. Japan’s scientific permits turned spared…
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Aug 20, 2026 |
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Ep 94: California tried to stop couches from burning — and quietly filled a continent's…
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Aug 19, 2026 |
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Ep 93: Switzerland voted to phase out nuclear power — then imported German coal to keep the lights…
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Aug 18, 2026 |
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Ep 92: US sugar tariffs designed to shield American farmers instead pushed the entire soft-drink…
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Aug 17, 2026 |
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Ep 91: France capped the workweek at 35 hours to spread jobs, yet firms kept total hours largely…
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Aug 16, 2026 |
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Ep 90: Congress passed the Jones Act to guarantee a wartime-ready American merchant fleet — and…
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Aug 15, 2026 |
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Ep 89: The Endangered Species Act tried to shield rare wildlife from extinction, yet it gave some…
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Aug 14, 2026 |
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Ep 88: Federal student loans were meant to open college doors for everyone, yet they appear to…
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Aug 13, 2026 |
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Ep 87: The Montreal Protocol healed the ozone layer with refrigerants that proved hundreds of…
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Aug 12, 2026 |
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Ep 86: Seatbelts and airbags slashed deaths per crash, yet drivers began taking more risks once…
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Aug 11, 2026 |
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Ep 85: The chasing-arrows symbol was created to close the loop on packaging waste, yet it mostly…
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Aug 10, 2026 |
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Ep 84: American foresters vowed to extinguish every wildfire by 10 a.m. the next day — and spent a…
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Aug 09, 2026 |
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Ep 83: Australia required bike helmets to cut head injuries, then watched cycling drop sharply and…
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Aug 08, 2026 |
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Ep 82: Microcredit set out to free the poor from moneylenders with tiny loans, yet scaling the…
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Aug 07, 2026 |
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Ep 81: Aquarium keepers released beautiful lionfish into the Atlantic, expecting them to vanish…
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Aug 06, 2026 |
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Ep 80: US rules meant to cut smog by adding MTBE to gasoline instead contaminated drinking water…
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Aug 05, 2026 |
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Ep 79: Cheap flights and Instagram made the world's fragile wonders accessible to millions — and…
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Aug 04, 2026 |
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Ep 78: Brazilian researchers bred a hardier tropical honeybee in 1956 — and released an…
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Aug 03, 2026 |
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Ep 77: No Child Left Behind promised to close achievement gaps through testing, yet turned schools…
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Aug 02, 2026 |
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Ep 76: U.S. corn subsidies meant to steady farm incomes instead flooded the food supply with cheap…
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Aug 01, 2026 |
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Ep 75: Colonial officers stocked Lake Victoria with Nile perch to build a commercial fishery — and…
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Jul 31, 2026 |
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Ep 74: Rent controls meant to shield tenants from spikes instead reduced rental supply and favored…
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Jul 30, 2026 |
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Ep 73: Open-plan offices promised collaboration but a Harvard study found face-to-face interaction…
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Jul 29, 2026 |
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Ep 72: Seatbelt laws saved drivers by the thousands, yet feeling safer may have led some to drive faster and shift risk onto everyone else.
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Jul 28, 2026 |
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Ep 71: Cigarette filters were added in the 1950s to ease health fears — and instead prompted smokers to inhale more deeply while creating the world’s most common plastic litter.
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Jul 27, 2026 |
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Ep 70: Reformers ended cash bail to free the poor before trial — and found that removing one flawed tool requires designing what comes next.
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Jul 26, 2026 |
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Ep 69: Uber set out to free drivers from taxi medallions with flexible, well-paid work — and left millions earning below minimum wage in algorithm-driven jobs.
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Jul 25, 2026 |
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Ep 68: Facial recognition was installed at airports to speed security and catch the right people — then the same systems started watching schools, stadiums, and protests.
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Jul 24, 2026 |
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Ep 67: Marketed as an indestructible shield against fire, asbestos fibers remained in lungs for decades and triggered a slow epidemic of cancer that regulators could not see in time.
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Jul 23, 2026 |
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Ep 66: D.A.R.E. placed uniformed officers in classrooms to teach millions of children to refuse drugs, yet repeated evaluations found the program produced little measurable change in behavior.
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Jul 22, 2026 |
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Ep 65: Plastic bag bans cut visible litter but drove shoppers to buy more trash liners and thicker “reusable” bags that often lasted no longer.
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Jul 21, 2026 |
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Ep 64: Malcolm McLean’s shipping container slashed the cost of moving goods worldwide — and emptied the working waterfronts that had sustained port cities for generations.
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Jul 20, 2026 |
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Ep 63: Zara and H&M set out to make runway fashion affordable for ordinary shoppers — and created an industry that now produces 92 million tonnes of textile waste a year while emitting 8–10% of global greenhouse gases.
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Jul 19, 2026 |
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Ep 62: Governments spent hundreds of billions fixing the Y2K bug, then concluded the threat had never been real.
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Jul 18, 2026 |
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Ep 61: The Royal Navy cured scurvy with lemon juice in 1795, then quietly lost the remedy as steamships and limes replaced the original practice.
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Jul 17, 2026 |
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Ep 60: Scared Straight sent at-risk teens into prisons to be confronted by inmates in the hope that fear would keep them out of trouble — and later studies found the programs raised their odds of offending.
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Jul 16, 2026 |
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Ep 59: The U.S. government paid southern farmers to plant kudzu to stop erosion — and the vine kept growing long after the crisis ended.
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Jul 15, 2026 |
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Ep 58: Companies adopted game mechanics to make fitness, learning, and work more engaging — and watched users chase points while real progress and well-being declined.
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Jul 14, 2026 |
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Ep 57: Twentieth-century engineers built dams to power the West and control floods, then spent decades dismantling some so salmon could reach their spawning grounds again.
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Jul 13, 2026 |
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Ep 56: Platforms promised clean feeds for users and quietly hired tens of thousands of moderators to deliver them, shifting the psychological cost out of sight.
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Jul 12, 2026 |
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Ep 55: US dietary guidelines urged Americans to cut fat for heart health — and watched obesity climb as sugar filled the gap.
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Jul 11, 2026 |
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Ep 54: The 1968 National Flood Insurance Program set out to limit building in flood-prone areas but instead subsidized far more development behind levees.
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Jul 10, 2026 |
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Ep 53: Park managers exterminated Yellowstone’s wolves to protect elk and livestock, then watched the rivers, forests, and beavers collapse in their absence.
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Jul 09, 2026 |
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Ep 52: The Federal Reserve launched quantitative easing to rescue the economy from another Depression — and ended up widening the wealth gap for a decade.
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Jul 08, 2026 |
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Ep 51: China's Three Gorges Dam promised flood control and clean power for hundreds of millions, yet its reservoir began stressing faults and destabilizing entire hillsides.
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Jul 07, 2026 |
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Ep 50: NIST's 2003 password rules tried to make systems stronger by demanding complexity and rotation, yet they trained users to create the very patterns attackers learned to exploit first.
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Jul 06, 2026 |
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Ep 49: Pediatric guidelines told parents to withhold peanuts until age three — and peanut allergies rose sharply instead.
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Jul 05, 2026 |
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Ep 48: Mao's China exterminated sparrows to protect grain harvests and instead unleashed insect swarms that deepened the Great Famine.
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Jul 04, 2026 |
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Ep 47: Smokey Bear urged Americans to stamp out every spark — and turned manageable forests into fuel for megafires that now consume the agency’s budget.
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Jul 03, 2026 |
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Ep 46: The 1978 Airline Deregulation Act promised cheaper flights for everyone — and produced an industry where four carriers now control roughly 80 percent of the market.
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Jul 02, 2026 |
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Ep 45: Post-war mortgage subsidies made homeownership reachable for millions of families — and built the car-dependent, racially segregated suburbs that later proved nearly impossible to change.
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Jul 01, 2026 |
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Ep 44: London's congestion charge cut traffic inside the zone by 15 percent — and shifted the jams and fumes to the boroughs just beyond its boundary.
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Jun 30, 2026 |
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Ep 43: Automakers recast streets as car space and turned crossing them into a crime, reshaping cities for a century.
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Jun 29, 2026 |
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Ep 42: St. Louis built Pruitt-Igoe in 1954 as a model of clean, modern public housing for working families — and dynamited the first buildings on national television in 1972.
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Jun 27, 2026 |
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Ep 41: Eisenhower’s 1956 Interstate Highway Act promised faster travel for all, yet in city after city the new roads accelerated the emptying of urban neighborhoods instead.
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Jun 26, 2026 |
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Ep 40: Synthetic fabrics promised cheap, durable clothes for everyone — and released trillions of plastic fibers that now reach every human placenta and ocean trench.
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Jun 25, 2026 |
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Ep 39: A synthetic estrogen given to millions of pregnant women to prevent miscarriage instead caused rare reproductive cancers in their daughters two decades later.
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Jun 24, 2026 |
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Ep 38: Mosquito nets built to save millions from malaria are instead being cut into fishing gear that empties lakes and leaks insecticide into the water.
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Jun 23, 2026 |
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Ep 37: Europe and the US mandated biofuels to cut transport emissions, then watched palm-oil plantations clear rainforests faster than before.
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Jun 22, 2026 |
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Ep 36: Hospitals championed alcohol sanitizers to curb deadly infections, yet everyday overuse may be nudging antimicrobial resistance forward.
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Jun 21, 2026 |
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Ep 35: Millions of women took hormone replacement therapy to prevent heart disease and stay youthful, until one trial showed it raised their risks of cancer, stroke, and heart attack instead.
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Jun 20, 2026 |
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Ep 34: Purdue Pharma promoted OxyContin as nearly addiction-proof, yet the drug helped ignite an opioid epidemic that has killed more than a million Americans.
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Jun 19, 2026 |
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Ep 33: Factories added radium to watch dials so soldiers could read time in the dark — then trained the painters to shape brushes between their lips.
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Jun 18, 2026 |
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Ep 32: António Egas Moniz won the 1949 Nobel Prize for the prefrontal lobotomy, a procedure that soon left tens of thousands with lasting cognitive damage.
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Jun 17, 2026 |
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Ep 31: A sedative promoted as safe for pregnant women in the 1950s produced the largest drug-related birth-defect epidemic on record before testing rules changed.
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Jun 16, 2026 |
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Ep 30: Europe's GDPR required websites to obtain clear consent for tracking cookies — and produced an internet full of banners that almost no one reads.
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Jun 15, 2026 |
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Ep 29: Congress set stricter fuel economy rules for cars than light trucks in 1975, and automakers responded by selling millions of SUVs instead.
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Jun 12, 2026 |
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Ep 28: Daylight Saving Time was introduced to conserve coal and oil, yet modern evidence shows it saves almost no energy while raising heart attacks and crashes.
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Jun 11, 2026 |
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Ep 27: Western aid meant to build self-sufficient African economies instead left many governments dependent on the next foreign transfer to stay afloat.
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Jun 10, 2026 |
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Ep 26: The No Child Left Behind Act tied federal funding to test scores to help every child succeed and instead narrowed what millions of students were taught.
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Jun 09, 2026 |
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Ep 25: Rent control was meant to shield tenants from unaffordable rents, yet it repeatedly reduced the supply of rental housing and raised prices for everyone else.
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Jun 08, 2026 |
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Ep 24: China's one-child policy aimed to ease population pressure but instead produced a 30-million-person gender imbalance and a shrinking workforce that will shape the country for decades.
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Jun 05, 2026 |
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Ep 23: Cash for Clunkers paid Americans to destroy nearly 700,000 old cars in 2009 to revive the economy, but it left low-income buyers facing higher used-car prices for years.
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Jun 04, 2026 |
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Ep 21: California's three-strikes law promised to lock up dangerous repeat offenders — and instead gave life sentences for stealing pizza and videotapes.
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Jun 03, 2026 |
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Ep 22: Nixon declared the War on Drugs in 1971 to protect families by treating addiction as crime; five decades later the U.S. prison population had grown sixfold while drug-use rates stayed roughly unchanged.
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Jun 03, 2026 |
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Ep 20: Algorithms built to personalize the internet for every user instead narrowed each person’s view to what they had already clicked.
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Jun 02, 2026 |
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Ep 19: Wikipedia invited the entire world to write its own encyclopedia, yet the result is an archive that still underrepresents half of humanity.
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Jun 01, 2026 |
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Ep 17: Engineers built smartphones to put the world's knowledge in every pocket, and created 50 million tonnes of e-waste a year instead.
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May 28, 2026 |
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Ep 18: Ring sold doorbells to keep families safe, but its Neighbors app built a private surveillance grid shared with thousands of police departments.
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May 28, 2026 |
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Ep 16: PageRank was meant to surface the web’s most relevant pages — and it trained everyone to write for the algorithm instead.
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May 25, 2026 |
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Ep 15: Ian Goodfellow designed GANs in 2014 to let machines create realistic images from scratch; five years later the same system was generating non-consensual pornography and fabricated political videos at scale.
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May 22, 2026 |
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Ep 14: Justin Rosenstein built Facebook’s Like button to let friends share quick appreciation — and it became the global yardstick for personal worth.
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May 21, 2026 |
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Ep 13: A designer removed one click to make browsing smoother in 2006 — and helped build the endless feeds that now shape how billions spend their time.
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May 20, 2026 |
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Ep 12: GPS promised to erase every wrong turn, yet it quietly began shrinking the brain’s built-in navigation system.
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May 19, 2026 |
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Unintended Consequences - Episode 11 - May 18, 2026
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May 18, 2026 |
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Unintended Consequences - Episode 10 - May 15, 2026
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May 15, 2026 |
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Unintended Consequences - Episode 9 - May 14, 2026
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May 14, 2026 |
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Unintended Consequences - Episode 8 - May 13, 2026
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May 13, 2026 |
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Unintended Consequences - Episode 7 - May 12, 2026
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May 12, 2026 |
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Unintended Consequences - Episode 5 - May 11, 2026
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May 11, 2026 |
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Unintended Consequences - Episode 6 - May 11, 2026
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May 11, 2026 |
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Ep 4: After Allied forces dusted civilians in Naples with DDT in 1944 to halt a typhus epidemic, the same persistent chemical that saved lives from insect-borne disease began thinning the eggshells of bald eagles and peregrine falcons across North America and Europe by the late 1950s.
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May 06, 2026 |
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Ep 3: In 1921 Thomas Midgley Jr. added tetraethyl lead to gasoline to silence engine knock, never imagining the additive would raise blood-lead levels in entire generations and measurably lower cognitive performance worldwide.
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May 05, 2026 |
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Ep 1: Delhi's British government paid for dead cobras to cut snake numbers, but the bounty led to breeding, and scrapping it released more snakes into the city.
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May 04, 2026 |
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Ep 2: In 1935, Australia brought 102 cane toads from Hawaii to battle sugarcane beetles — but the toads bred into the billions and killed native predators instead.
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May 04, 2026 |