A new global survey finds that endangered sea turtles show signs of recovery in a majority of places where they’re found worldwide.

Using satellite trackers, scientists have discovered the whereabouts of young sea turtles during a key part of their lives.

Okinawa on Sunday marks the 50th anniversary of its return to Japan on May 15, 1972, ending 27 years of U.S. rule after one of the bloodiest World War II ground battles was fought on the southern Japanese island.