A woolly mammoth by 2028.
That’s the bold claim from US company Colossal Biosciences, who say research is under way that will make this possible.
But even if we have the technology to bring back a long dead species, should we? We hear the arguments for and against de-extinction.
Also this week, what will Europa Clipper find when it heads to one of Jupiter’s icy moons and how to win a Nobel Prize.
Presenter: Marnie Chesterton Producers: Ella Hubber, Sophie Ormiston & Gerry Holt Editor: Martin Smith Production Co-ordinator: Andrew Rhys Lewis
BBC Inside Science is produced in partnership with the Open University.