Last Days of a Storm Chaser For years Time Samaras pursued tornadoes for the sake of science, always taking great pains to stay safe. Then came the storm of May 2013. Paradise Revisited Seventeen years ago David Doubilet fell in love with the reefs of Kimbe Bay. At long last, he has returned to the Pacific paradise. Mapping a New America On a venture to rival Lewis and Clark’s, we’re exploring our vast watery frontier. The War for Nigeria They call it “the crisis”: Islamist terrorists are trying to gain control of the north. Norway’s Otherworldly Coast It has 63,000 miles of fjords, bays, island shores. Vicki Jensen: Virus Catcher In her airtight space suit she looks for cures. Excavation Impossible When digging is taboo, fate may unearth the past.