Australians are being signed up as members of the United Australia Party without their knowledge.

The party - backed by billionaire Clive Palmer, led by MP Craig Kelly - claims to have amassed tens of thousands of members in the last year. But who exactly are they? And how is the party accessing personal information?

Plus, there's some health and safety warnings going around: about a mozzie-borne virus called Japanese encephalitis, and an increased risk of shark attacks after the floods.

And new research is shaking up how we think about taking pics of animals.

Live guests:

Claudia Long, ABC News

Craig Williams, University of South Australia

Daryl McPhee, Bond University

Emily McLeod, Zoos Victoria

If you have more information about the United Australia Party story, or have seen election material that concerns you, head here.