The toxic mixtures of gases found in mines included afterdamp, blackdamp and whitedamp.

In fact, it took hours for them to ignite the gas, allowing the highly toxic mixture of natural gas and hydrogen sulfide to escape.

They will sometimes kill toads (Bufo) and bite into the toads' poison glands and smear the toxic mixture on their spines.

Thankfully, we've come a long way from the days of using toxic and deadly mixtures to enhance our looks.

The prickly beast will sometimes kill a toad and bite into its glands, then smear this toxic mixture on its spikes.

The eurozone, and more broadly Europe, is slowly strangling itself with a toxic mixture of austerity and a structurally flawed financial system.

Europe and the eurozone are strangling themselves with a toxic mixture of austerity and a structurally flawed financial system.

Pumping toxic mixtures, such as Chile peppers and chemicals like alum, or plant poison into the body of the woman.

This quite toxic mixture is said "to have burned the trees and the grass around the trees".