In Tanzania, protecting endangered animals has become easier thanks to Earth Ranger. Earth Ranger is not a superhero, it's a technology platform, developed by Vulcan Inc., a company co-founded by U.S. philanthropist and Microsoft co-founder Paul Allen. The system helps rangers remotely monitor elephants and other animals to stay ahead of poachers. Faiza Elmasry has the story. VOA's Faith Lapidus narrates.