IRMO, South Carolina. Irmo, South Carolina, has a population of 11,223 and is located 10 miles northeast of Columbia, the capital of South Carolina. Chartered in 1890, the town was named for two officers of the local railroad whose names were Irdell and Mosley.
Either way--don't play with plutonium. The most toxic substance I could come up with is botulinum toxin--yes, the same material that is purified and injected (Botox) to remove wrinkles! When injected, the fatal dose is 1.3 to 2.1 nanograms per kilogram. So for an 80 kg adult, 104 to 168 nanograms (0.000168 mg).
1. Box Jellyfh. The top prize for âThe World Most Venomous Animal,â would go to the Box Jellyfh. It has caused at least 5,567 recorded deaths since 1954. Their venom among the most deadly in the world. Itâs toxins attack the heart, nervous system, and skin cells. And the worst part of it that jelly box venom so overpoweringly painful, that human victims go in shock, drown or die of heart failure before even reaching shore.