Alexander Kendrick stands in the Lake of the Clouds after testing his invention. He and the team of cavers executed the deepest known digital communication ever to take place in the United States.
Brad Horn for NPR
U.S. Navy and Air Force personnel prepared to airlift a girl with head injuries to an offshore medical facility last week in Port-au-Prince, Haiti. The U.S. military says it halted flights carrying Haitian earthquake victims to the United States on Wednesday.