Article continues below advertisementA growing roster of A-listers, including Paris Hilton, Tom Brady, and Chris Hemsworth, have quietly backed one of the most ambitious scientific ventures in the world: Colossal Biosciences. And now, the buzzy biotech company has unveiled its latest headline-grabbing goal - bringing back a long-lost species that hasn't roamed the Earth in more than two centuries.Their newest focus? The bluebuck - a striking antelope once native to South Africa, known for its unique silvery-blue coat.