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Something You Should Know ·Oct 5, 2026 ·50 min

When to Speak Up and When to Stay Quiet & Why Smart Investors Do Crazy Things

Evaluation and Summary

3.5/10

This episode of Something You Should Know covers four distinct topics with no clear thematic connection. The first segment addresses when to speak up in awkward social situations—whether to tell someone they have food in their teeth, ask a stranger if they're okay, or share honest opinions about a friend's romantic partner. Guest Vanessa Bohns, a social psychologist and Cornell professor, presents research on how poorly we predict others' reactions to our words and silence, offering science-backed guidance for navigating these everyday dilemmas. The second segment explores behavioral finance with London Business School professor Alex Edmans, who explains why intelligent investors make seemingly irrational decisions influenced by weather, politics, and sports outcomes rather than pure numbers. Edmans discusses how understanding these psychological quirks can actually improve investment decisions. The episode also includes three brief segments: an explanation of why spiders appear indoors during fall (tied to mating season rather than seeking shelter), a deep dive into what's actually in canned pumpkin (which differs significantly from fresh pumpkin), and information about pumpkin-flavored foods. The episode is heavily sponsored, with six separate ad reads for Monarch, AirDoctor, Trees.com, Ka'Chava, Vinted, and Quince interspersed throughout. The show notes provide links to sources and book recommendations from both guests.

Verdict: The episode features credible experts on genuinely interesting topics but suffers from unfocused structure, heavy advertising, and apparent lack of thematic coherence that undermines its value.

Science rubric

  • Scientific accuracy 3/5 20%

    Guest experts (Bohns and Edmans) are credentialed academics with published research; claims appear grounded in legitimate study, though the show notes don't provide enough detail to verify specific findings or caveats.

  • Clarity for non-experts 3/5 20%

    Topics are inherently accessible (social anxiety, investing psychology, spiders, pumpkins), but without hearing the actual episode, the depth of explanation and jargon level cannot be fully assessed from notes alone.

  • Sense of discovery 3/5 15%

    The segments on social communication research and behavioral finance quirks offer fresh perspectives; spider mating and canned pumpkin composition are interesting but relatively niche curiosities.

  • Substance 2/5 15%

    Four unrelated topics crammed into 50 minutes with heavy ad load suggests shallow coverage of each; the show notes indicate brief segments on spiders and pumpkin rather than substantive exploration.

  • Delivers on its title 1/5 15%

    The title promises two specific topics ('When to Speak Up' and 'Why Smart Investors Do Crazy Things') but the episode also covers spiders and pumpkins with no indication these are integrated into the main themes.

  • Value for time 2/5 15%

    Six sponsor reads in a 50-minute episode consume significant time; four disparate topics suggest scattered focus rather than deep exploration of any single subject.

How we score Science

Worth it if you enjoy bite-sized explorations of random trivia and don't mind frequent ad interruptions, or if you're specifically interested in behavioral psychology or finance quirks.

Content flags

  • Ad-heavy Six separate sponsor reads (Monarch, AirDoctor, Trees.com, Ka'Chava, Vinted, Quince) in a 50-minute episode represents substantial ad load relative to content.

Based on the episode description. AI-generated; it can be wrong.

Show notes

What are spiders doing inside your home? You’ve probably spotted a few crawling around, especially in the fall. But contrary to what you might assume, many of those spiders didn’t just wander in from outdoors. And there’s a very specific reason you suddenly start seeing more of them this time of year — it has a lot to do with romance. https://www.burkemuseum.org/collections-and-research/biology/arachnology-and-entomology/spider-myths/myth-spiders-come-indoors Should you say something — or just keep your mouth shut? It’s a dilemma we face all the time. Do you tell someone they have something stuck in their teeth? Should you ask a stranger who is crying if they’re okay? What about telling a friend what you really think about the person they’re dating? It turns out we’re surprisingly bad at predicting how people will react when we speak up — or how they’ll feel when we don’t. Vanessa Bohns joins me with fascinating research that can help you handle these awkward everyday moments much better. She is a social psychologist and professor of organizational behavior at Cornell University and author of Should I Say Something?: The Science of What to Share—and What to Keep to Yourself (https://link.amazon/B03B4LfqD). We like to think investing is about numbers, facts and rational decisions. Yet stock prices and investor behavior can be influenced by things that seemingly have nothing to do with money — including the weather, politics and even the outcome of a sporting event. Why do otherwise intelligent investors make such irrational decisions, and can understanding those quirks actually give you an advantage? Alex Edmans explains the fascinating psychology that drives financial markets and how recognizing it can help you make smarter decisions. Alex is a professor of finance at London Business School and a leading expert on behavioral finance. He is author of T he Madness of Markets: Why Smart Investors Make Crazy Decisions—and How to Exploit Them (https://link.amazon/B0eq2D3g9). Come autumn, pumpkins are everywhere. We carve them, decorate our homes with them and, of course, eat plenty of pumpkin-flavored foods. But the pumpkin you scoop out of a can looks nothing like the inside of that big orange pumpkin sitting on your porch. So what exactly is in canned pumpkin — and why is it so different? The answer may change the way you look at pumpkin pie. https://www.allrecipes.com/what-is-canned-pumpkin-11747656 PLEASE SUPPORT OUR SPONSORS MONARCH: Write your own money story with Monarch! Use promo code SYSK at ⁠⁠⁠⁠⁠ https://Monarch.com ⁠⁠⁠⁠⁠ to get your 1st year of Monarch Core half off at just $50 AIRDOCTOR: Head to https://AirDoctorPro.com and use promo code SYSK to get up to $300 off ANY of their select AirDoctor models, plus you will get a 3-year warranty, absolutely FREE! with a 30-day money back guarantee. TREES.COM: Right now, ⁠⁠⁠⁠⁠ https://Trees.com ⁠⁠⁠⁠⁠ have great deals on planting essentials, up to half off on select plants. And listeners to our show get 20% OFF their purchase when using the promo code SYSK at checkout. KA'CHAVA: Ka’Chava’s new Salted Caramel is the perfect balance of mouthwatering flavor and benefits. Embrace your salty side. Go to ⁠⁠⁠ https://kachava.com ⁠⁠⁠ and use promo code SYSK to get 15% off your first order! VINTED: Ready to clean out your closet and make some extra money?Download the Vinted app for free and start listing! With no seller fees, you keep every dollar you earn and for a limited time, enjoy free shipping in the US on Vinted . QUINCE: Find your next Fall favorites at Quince! Go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ https://Quince.com/sysk ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ for free shipping on your order and 365-day returns. Now available in Canada, too! PLANET VISIONARIES: In partnership with The Rolex Perpetual Planet Initiative, this is Planet Visionaries . Listen or watch wherever you get your podcasts! Learn more about your ad choices. Visit megaphone.fm/adchoices

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