LogOn: Underwater drone helps study coral reefs
![LogOn: Underwater drone helps study coral reefs](https://gdb.voanews.com/01000000-0aff-0242-d80c-08dc952d179e_tv_w800_h450.jpg)
An underwater drone is using artificial intelligence to help survey the Great Barrier Reef as a widespread mass coral bleaching unfolds across the world's most extensive reef ecosystem. Deana Mitchell has our story in this week’s episode of LogOn.