February 6, 2023

A rare fragment of a Dodo femur bone is displayed March 27, 2013, next to an image of a member of the extinct bird species at Christie's auction house's premises in London. Colossal Biosciences has raised an additional $150 million from investors to develop genetic technologies that the company claims will help to bring back some extinct species, including the dodo. (File Photo/AP/Matt Dunham)