Strychnine: An alkaloid used historically as a pesticide, found in the seeds of the Strychnos nux-vomica tree. Tetrodotoxin: A potent neurotoxin found in pufferfish, known for its ability to block sodium channels in nerves. Coniine: Found in the hemlock plant, it was famously used to execute Socrates.
These substances illustrate the diversity and potency of natural toxins.
