About time, part 4: The insect clock

When a person dies under suspicious circumstances, it can be hard to determine exactly what happened and when. Enter the forensic entomologist, whose job it is to study the action of insects on the body and present their evidence to the court. Insects provide a “clock” that can help to piece together the puzzle of death – but in doing this, insects also raise a number of fascinating questions that touch on the philosophy of science, law and time.