Ancient Hawaiian Reefs Hold Clues to Rising Seas

Along the shores of the Hawaiian island of Molokai, dynamic summer winds swipe the surface of the sea, churning up the waters that surround the island. In the ocean, a sea turtle hastily dips back below the surface after coming up for air. On land, a team of researchers trod through sun-scorched dunes like ducklings in a row, tucking themselves between geological nooks and crannies along the shoreline—searching for answers from a distant past.