Ologies with Alie Ward Historical Toxicology (OLD TIMEY POISONS) with Deborah Blum
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Oct 29, 2025 
Deborah Blum, a Pulitzer Prize-winning science writer and expert in toxicology, dives into the chilling world of historical poisons. She discusses how odorless substances like arsenic were perfect for covert homicides, the fascinating evolution of forensic science, and the lethal charm of toxic plants. From Aqua Tofana's historical significance to the unexpected risks of common foods, Blum unravels poison myths prominent in fiction. She also reflects on the emotional weight of researching poisoning cases and how society’s perceptions of poisons have changed.
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Poison As Clever Chemistry
- Deborah Blum finds poisons fascinating because they trick biological systems in clever, predictable chemical ways.
- She treats chemistry and toxicology as a way to illuminate forgotten historical figures and stories.
Hair On Fire, Then A Poison Cloud
- Deborah Blum recounts setting her hair on fire during a college chemistry lab and later creating a poisonous cloud that evacuated the lab.
- That danger pushed her out of lab work and toward journalism and storytelling about chemistry.
Toxin Versus Poison Clarified
- 'Toxin' and 'poison' are distinct: toxins are natural (venoms, plant alkaloids), while metallic poisons are not toxins.
- Blum recommends using the broad term 'poison' when unsure to stay correct.
