Sunken treasure is the stuff of so many great stories from your childhood 

You might envisage Intrepid explorers, nasty pirates or adventurous archaeologists diving deep to search for priceless bounties from long lost galleons.

Well now you can add particle physicists to that list. So why is science scouring ancient shipwrecks? 

Alan Duffy is Professor in Astrophysics at Swinburne University of Technology