Some of Macca's most interesting phone calls from this week, plus a studio visit from retired cardiologist Dimitri Demetriou.

Some of the most informative and entertaining calls from this week's AAO.

More great interviews from Australia All Over with Macca.

Some of the most informative and entertaining calls from this week's Australia All Over with Macca.

Some of Macca's most interesting phone calls from this week's program, including one from Port Vila.

Some of Macca's most interesting phone calls from this week (including one from Kieran Kelly, who is currently in Utah).

Some of Macca's most interesting phone calls from this week's program.

More great interviews from Australia All Over with Macca.

Some of Macca's most interesting phone calls from this week (including one from a Qantas pilot many thousand feet above Coober Pedy on his way to Sydney).

Some of Macca's most interesting phone calls from this week's program, including one from Ireland, plus a studio guest.