A scientific breakthrough by Colossal Bioscience has seen the 'resurrection' of the dire wolf, a megafauna-hunting wolf species that died out around 10,000 years ago. 

But is the science being used really the same as 'de-extinction'? 

And does the very concept of 'de-extinction' undermine efforts to prevent species extinction in the first place?

Guest: Dr Christopher Lean, Research Fellow with the Department of Philosophy at Macquarie University, working with the ARC Centre of Excellence in Synthetic Biology