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S1E12 Season 1, Episode 12: CaMV, the most famous virus you've never heard of.
In this episode of 4Ps: Plants, Pests, Parasites and People, Dr. Kate Martin explores Cauliflower mosaic virus (CaMV)—a plant virus most people have never heard of, but one that quietly shaped modern…
Season 1, Episode 11: Germ Theory, Microbes cause disease! Simple, Right?
What changed medicine forever wasn’t a new drug or a sharper scalpel, it was learning to believe in an enemy we couldn’t see. In this episode of 4Ps: Plants, Pests, Parasites & People, Dr. Kate…
S1E10 Season 1, Episode 10: Forensic Botany, Can Plants help Solve Crime?
In this episode of 4Ps, Dr. Kate Martin dives into forensic botany, the real science of how plants can quietly place us in environments we didn’t realize we were carrying with us. From pollen…
S1E9 Season 1, Episode 9: Black Widow: Femme Fatale or Shy Introvert?
The black widow isn’t a cartoon villain—and she’s not coming for you. She’s an introverted, venomous roommate with incredible silk tech and a wildly misunderstood love life. Dr. Kate Martin separates…
S1E8 Season 1, Episode 8: The Black Death: history's most famous pandemic.
In this episode of 4Ps, Dr. Kate Martin reflects on the lingering personal cost of COVID—and then travels back to history’s most infamous pandemic: the Black Death. How did plague spread so fast,…
S1E7 Season 1, Episode 7, Alchemy, Chemistry's Dark Past.
In this episode of 4Ps: Plants, Pests, Parasites & People, Dr. Kate Martin explores alchemy as more than a weird wrong turn in science—it's a thousand-year, globe-spanning attempt to “hack…
S1E6 Season 1, Episode 6: Medicinal Plants- Yarrow
Yarrow is one of those plants you’ve probably walked past a hundred times without noticing—and that’s exactly why it mattered. In this episode of 4Ps, Dr. Kate Martin follows Achillea millefolium…
S1E5 Season 1, Episode 5: Mormon Crickets vs Locusts, the swarming cousins of two continents.
Today’s episode starts with a very specific kind of desert memory: growing up in Northern Nevada, riding out in a jeep to hunt fossils, and accidentally driving straight into what I can only describe…
S1E4 Season 1, Episode 4, Wheat Stem Rust, the only pathogen to have a Roman God.
Wheat made civilization possible. Wheat rust made it complicated. We explore the fungus behind one of agriculture’s most notorious diseases—how it spreads, why it evolves so fast, and what it reveals…
S1E3 Season 1, Episode 3 : What makes us Human?
In Season 1, Episode 3 of Four Ps: Plants, Pests, Parasites & People, Dr. Kate Martin tackles a question that sounds simple and absolutely isn’t: what makes us human? Using student answers as the…
S1E2 Season1, Episode 2: Plant Domestication, Humans, Beans, and the Birth of Farming
In this episode of 4Ps: Plants, Pests, Parasites and People, Dr. Kate Martin explores how humans transformed wild plants into dependable food crops through the slow process of domestication. Using…
S1E1 Episode 1: Bedbugs, The Equal-Opportunity Bloodsucker.
In a story about how life bends the rules to survive, we start with the social ecosystem of “rule followers vs. rule breakers” and then zoom in on one of biology’s strangest rebels: the bedbug: a…
Frequently Asked Questions
4Ps has published 12 episodes since January 2026, covering topics in Life Sciences, Science.
4Ps is currently highly active with new episodes weekly. Average episode length is 33m.
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