NOAA: Drone technology aids whale research off Hawaii

HONOLULU (AP) — Federal researchers returning from a 30-day expedition to study whales and dolphins around the Hawaiian Islands said they are looking for clues to help sustain healthy populations of the marine mammals.
National Oceanic and Atmospheric Administration scientists told reporters Thursday that gathering data on the animals is often difficult, especially around the windward coasts of the Hawaiian Islands.
The researchers worked from a large ship, instead of using their normally