Watch here: Part 1: "Pioneers of Physics" ➡️ https://kurz.zdf.de/wyf/ Part 2: "Pioneers of Chemistry" ➡️ https://kurz.zdf.de/n0q1/ Part 3: "Deadly Tests" ➡️ https://kurz.zdf.de/k6H5/ Part 4: "Mysterious Nature" ➡️ https://kurz.zdf.de/HSefL/ Part 5: "Fatal Experiments" ➡️ https://kurz.zdf.de/HnjS/ Arsenic, snake venom, pesticides – deadly substances that cost researchers their lives. But their discoveries live on and continue to shape science today. Snake researcher Kevin Budden dies while trying to capture a highly venomous snake alive. Ornithologist John Cassin poisons himself with arsenic. And entomologist Harold Maxwell-Lefroy falls victim to an insecticide he developed himself. ... 00:00 Intro 02:05 Snakes and John Cassin 08:55 Antidote 16:22 Birds and John Cassin 25:10 Darwin's Theory 26:40 Arsenic 28:45 Insects and Harold Maxwell-Lefroy 40:30 Rentoki 43:15 Outro A FILM BY Daniel Oron Natasha Ryan CAMERA Reuben Denty Emmanuel Lachapelle Renato Guerra EDITING Owin Lambeck A PRODUCTION OF DSCI1 Productions Inc. 2024 ZDF 2025 Also check out: #ZDFinfo on Instagram: / zdfinfo ZDFinfo on TikTok: / zdfinfo ZDFinfo on WhatsApp: https://kurz.zdf.de/jsB/ #zdfinfo #australia #science