The Code of Life Gets Decoded

On a cold October morning in 2024, something walked on Earth that hadn’t existed for ten thousand years. 

Two wolf pups, born at a facility in Texas, represented the first time an extinct species had been brought back through genetic engineering.

Romulus and Remus, named after the legendary founders of Rome, weren’t exactly dire wolves in the way nature originally designed them — their genome contained modifications carefully crafted in laboratories — but they breathed, t...