The Knowledge Architects: Building Wisdom in the Information Age copertina

The Knowledge Architects: Building Wisdom in the Information Age

The Knowledge Architects: Building Wisdom in the Information Age

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 Ever wondered why you forget most of what you learn — or why some memories stay vivid for decades while others vanish in minutes? The Knowledge Architects is a science-based educational podcast exploring how humans learn, remember, and organize knowledge. Each episode draws from peer-reviewed research in cognitive science, neuroscience, and psychology to reveal how your mind actually works — and how to work with it more effectively. Not a productivity hack show or self-help series, but an intellectually rigorous journey for curious minds who want to understand the science behind learning.© 2026 ElysFlow Scienza
Episodi
  • Episode 01 | The Forgetting Machine

    Episode 01 | The Forgetting Machine
    Jan 27 2026
    Episode SummaryWhat if you learned that within an hour of learning something new, you've already forgotten more than half of it? And that by tomorrow, you'll have lost about two-thirds? This isn't a bug in your brain's software — it's a feature.In this debut episode, we explore one of psychology's most fundamental discoveries: the forgetting curve. We travel back to 1879 Germany, where a young scholar named Hermann Ebbinghaus defied the scientific establishment to prove that memory could be measured mathematically. Through years of heroic self-experimentation — memorizing over 2,300 nonsense syllables and performing more than 15,000 recitations — he mapped precisely how we forget.We also examine the 2015 replication that confirmed his findings 130 years later, and explore the surprising modern perspective that forgetting isn't a flaw to be fixed, but an essential feature that makes our minds work better.Key Topics CoveredThe state of psychology in 1879 and why memory was considered unmeasurableHermann Ebbinghaus's revolutionary methodology and the invention of nonsense syllablesThe savings method — Ebbinghaus's ingenious way to measure memoryThe forgetting curve: steep decline at first, then leveling offThe mathematics of forgetting (R² = 0.988 — extraordinary precision)The 2015 Murre & Dros replication and the 24-hour "bump" discoveryAdaptive forgetting: why forgetting is a feature, not a bugRobert Bjork's distinction between storage strength and retrieval strengthCases of hyperthymesia: what happens when people can't forgetResearchers MentionedHermann Ebbinghaus (1850-1909) — Pioneer of memory research, inventor of nonsense syllablesWilhelm Wundt (University of Leipzig) — Established first psychology lab, believed memory couldn't be studied experimentallyGustav Fechner — His book Elemente der Psychophysik inspired EbbinghausWilliam James (Harvard) — Called Ebbinghaus's experiments "heroic"Jaap Murre & Joeri Dros (University of Amsterdam) — 2015 replication studyRobert Bjork (UCLA) — Adaptive forgetting, "forgetting is a friend of learning"Michael Anderson (Cambridge) — Think/No-Think paradigm, memory suppressionHarry Bahrick (Ohio Wesleyan) — Very long-term retention studies, permastore conceptAlexander Luria — Studied Solomon Shereshevsky, the man who couldn't forgetKey Studies & SourcesEbbinghaus, H. (1885). Memory: A Contribution to Experimental Psychology (Über das Gedächtnis).Murre, J.M.J. & Dros, J. (2015). "Replication and Analysis of Ebbinghaus' Forgetting Curve." PLOS ONE, 10(7): e0120644.Bjork, R.A. (1989). "Retrieval inhibition as an adaptive mechanism in human memory." In Varieties of Memory and Consciousness.Bahrick, H.P. (1984). "Semantic memory content in permastore: Fifty years of memory for Spanish learned in school." Journal of Experimental Psychology: General.Anderson, M.C. & Green, C. (2001). "Suppressing unwanted memories by executive control." Nature, 410, 366-369.Key Numbers to Remember1879 — Year Ebbinghaus began his experiments1885 — Year Memory was published2,300 — Number of nonsense syllables Ebbinghaus created15,000+ — Number of recitations in a single investigation58% — Retention after 20 minutes44% — Retention after 1 hour33% — Retention after 1 day21% — Retention after 31 daysR² = 0.988 — How precisely Ebbinghaus's formula fit his data130 years — Gap between original study and 2015 replicationThe Forgetting Curve DataTime After Learning | RetentionImmediate | 100%20 minutes | ~58%1 hour | ~44%9 hours | ~36%1 day | ~33%2 days | ~28%6 days | ~25%31 days | ~21%Memorable Quotes"I owe everything to you."Ebbinghaus, dedication to Fechner"A really heroic series of daily observations."William James on Ebbinghaus"The most considerable advance, in this chapter of psychology, since the time of Aristotle."Edward Titchener on nonsense syllables"Forgetting is a friend of learning."Robert Bjork"Most have called it a gift, but I call it a burden. I run my entire life through my head every day and it drives me crazy!!!" Jill Price, on her inability to forget"Psychology has a long past but only a short history."Ebbinghaus (1908)The Big IdeaForgetting is the brain's default state — and that's not a flaw. Our brains evolved not to create perfect archives but to support survival decisions. Forgetting enables retrieval efficiency (finding what's relevant), behavioral flexibility (updating outdated information), and pattern recognition (abstracting general principles from specific examples). Understanding the forgetting curve is the first step toward working with our brains, not against them.Next Episode PreviewEpisode 2: The Architecture of Memory — If forgetting is the default, how does anything...
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    15 min
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