Latest Episode
Meet the Hosts
How It Works
#5218: What Lip Reading Can and Can't Do
Only 30–40% of speech sounds are visible on the lips. Here's what speechreading actually is — and where the spy-movie version falls apart.
#5217: Inside the Hidden Fleet of Medical Couriers and Police Escorts
A hidden network moves organs, blood, and critical patients through cities at speeds the roads weren't built for.
#5216: When Modular Storage Meets Tall, Narrow Objects
Euroboxes and Dolavs have a gap: nothing between 45cm and pallet-sized fits a light stand, tripod, or broom. Here's what actually works.
#5215: Sacrificial Coatings for Permanent Marking
Wax, silicone, spar varnish, or two-part epoxy? How to pick a protective topcoat that fails so your engraved mark doesn't.
#5214: Meningitis: Why It Kills So Fast
Meningitis is an anatomical description, not a prognosis. Same word, wildly different odds — from a bad week to five days from flu symptoms to a fu...
#5213: Who Tracks the Ships? Inside Maritime Intelligence
AIS data, dark vessels, and the quiet organizations—UKMTO, IMB, Windward—that watch the world's shipping.
#5212: What Happens in Your Brain During a Migraine Aura?
A shimmering wave rolls across your visual cortex at 3mm per minute—and you can watch it happen. Here's the neuroscience behind migraine aura.
#5211: Brass vs Stainless: Marking HDPE Boxes That Last
Engraving HDPE storage boxes means fighting heat, not cutting. Here's how stencil material, carbide bits, and groove depth all connect.
#5210: How the Placebo Trial Became the Gold Standard
Control groups, placebos, blinding, randomization — four inventions across 250 years, assembled into medicine's most trusted method.
#5209: Sensitivity, Specificity & the Numbers Doctors Use
A field guide to the numbers in a medical paper — what sensitivity, effect size, and risk ratio actually answer, and when they mislead.