b'APRIL 2024ISSUE 229ABN 71 000 876 040ISSN 1443-2471NEWS AND COMMENTARYDavid Denham retires after 25 years with PreviewBoris Gurevich on nding the balance betweenbreadth and depth in educationLithium exploration from rst principlesFEATURESImaging the supergene search space with ANTAirborne radiometrics over Maralinga -call for a new survey'