Having watched Jurassic Park too many times, Lloyd wonders if it's possible to bring back extinct animals using only their DNA. The truth, as it turns out, is far more complicated, and far more interesting, as Lily explains with the help of Ben Novak, lead scientist at Revive and Restore and head of that organisation's flagship project, The Great Passenger Pigeon Comeback.

Credits: Podcast theme written exclusively for us by Ben Vize (@benvizemusic on Instagram)