Articles about 'toxin'

Dozens of common plants are toxic. Archaeologists have long suspected that our Palaeolithic ancestors used plant poisons to make their hunting weapons more lethal.  Now Dr Valentina Borgia has teamed up with a forensic chemist to develop a technique for detecting residues of deadly substances on archaeological objects.

New research shows how some bacterial cells keep a ‘suicide complex’ ready to hand at all times.

Viruses are capable of outmanoeuvring the ability of bacteria to commit 'suicide', new research shows.