The CSIRO wants to demolish two heritage-listed buildings once used to study the dreaded Australian blowfly, saying they are derelict and a risk to public safety. The open-air insectaries, believed to be more than 80 years old, were among the first purpose-built facilities at the CSIRO's Black Mountain headquarters, and used for research into issues such as sheep blowfly work and the biological control of weeds. The buildings, known as the Blowfly Insectary No.1 and Blowfly Insectary No. 2, have both been registered on the Commonwealth Heritage List since 2004. For full story, click here.