The study relied on electrodes placed in the brains of parrots and songbirds and tracked the behavior of neurons in a region ...

Stay close please children. In this lesson, we’re going to learn about how different animals communicate using sound, and not just any sound, ultrasound. Sounds are made up of invisible waves ...

Ultrasonic sounds are high-frequency sound waves that exceed 20,000 hertz, a range far beyond what the human ear can detect.

But mimicking the sounds of animals isn't as easy as woofing or purring. [Marko purring] Though he can do that, too. Picking the right sounds involves carefully examining both objects and surfaces.