We all think we know what ageing is and what it looks like. But is this the whole story yet? What does ageing really mean? Do all animals age at the same speed and are there species out there that live forever?

Anastasia and Cat chat with evolutionary biologist Dr Zac Wylde from UNSW Sydney about the evolutionary purpose of ageing, immortal jellyfish and flies that never get wrinkly.

Check out Zac’s UNSW profile here!

Have a read of Zac’s article on the Conversation.

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