Thallium - the poisoner's poison

Thallium is most famous for some infamous poisoned family cases & its appearance in an Agatha Christie novel solved a medical mystery, says Allan Blackman from AUT in ep 86 of Elemental.

Thallium is most famous for some infamous poisoned family cases, and used to be used as rat poison.

It is highly toxic because it 'looks' like potassium to mammalian bodies.

Its appearance in the Agatha Christie novel 'The Pale Horse' solved a medical mystery, says Professor Allan Blackman from the Auckland University of Technology, in episode 86 of Elemental.

Go to this episode on rnz.co.nz for more details