On February 20, the Galápagos National Park Directorate and conservation partners released 158 giant tortoises on Floreana Island — the first time the species has roamed there in more than 150 years, after heavy hunting by whalers and the introduction of invasive predators wiped them out in the mid-1800s. The release was guided by NASA satellite technology that helped scientists identify exactly where the animals would have the best chance of long-term survival. Giant tortoises weren't just