Cyanide - the compound which unconfirmed reports suggest would have been used in the Tube attack - is one of the most lethal substances. Even tiny amounts of less than 0.1 grams can leave victims ...

M-44s, or “cyanide bombs,” are one of the most horrifying methods the program uses for its indiscriminate killing. These inhumane traps spray sodium cyanide into the faces of unsuspecting wildlife ...

A company that wants to extract gold from piles of decades-old mining waste outside Leadville no longer plans to use cyanide in its processes after hearing concerns from locals about the toxic ...