Scientists trying to protect the endangered Sumatran orangutan have adopted an unusual tool for their work: Drones. These unmanned aerial vehicles are a quick and inexpensive way to monitor orangutans and their habitat.
Noc was a beluga whale that spent most of its life at a naval research facility in San Diego. Scientists studying Noc say he imitated human sounds. They have published Noc's human-like sounds in a new study in the journal Current Biology.