Colossal Biosciences – a futuristic startup working to bring back extinct species including the woolly mammoth – is suing one of its former scientists for allegedly stealing trade secrets and sharing the data with competing labs. In a bombshell lawsuit filed Friday morning in Texas federal court in Austin, Colossal accused James Kehler, formerly its vice president of animal sciences and later of BioSynergy, of “dishonesty, greed, and the betrayal of the confidential science at the heart of Colossal’s mission.” The Dallas-based firm – which has so far succeeded in creating “woolly mice” that bear woolly mammoth traits and gray...