The blue-tongue is really a skink. There are 7 species of blue-tongue in Australia. They belong to the skink family, Scincidae, which means shiny scaled. Australia has more species of skinks than of all other lizards put together.here are 7 species of blue-tongue in Australia. They belong to the skink family, Scincidae, which means shiny scaled. Australia has more species of skinks than of all other lizards put together.
The LD50 of nicotine is 50 mg/kg for rats and 3 mg/kg for mice. 0.5-1.0 mg/kg can be a lethal dosage for adult humans, and 0.1 mg/kg for children.he LD50 of nicotine is 50 mg/kg for rats and 3 mg/kg for mice. 0.5-1.0 mg/kg can be a lethal dosage for adult humans, and 0.1 mg/kg for children.
There are a number of toxic substances, and their toxicity spans a tremendous range. As Quora User mentioned, plutonium is way up there, but it is not the most toxic. Sodium cyanide is reported to be fatal at a dose of 1.5 milligrams per kilogram of body weight. So for an 80 kg person that would be about 120 mg.