Ian Connellan, Editor in chief of The Royal Institution of Australia, joins John Stanely to chat about the latest science stories.

This week John discovers a parasite capable of infecting almost all warm-blooded animals but which uses only cats as a ‘host’ for reproduction, studies suggest it could have infected up to 50% of all humans!

To discover more about the world around you, head to the Cosmos Magazine website to read more amazing science stories.

Image – istock

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