The sleep EEG multitaper spectrogram reveals patterns of continuous changes in brain oscillation activity during sleep. Characteristic patterns clearly differentiate waking (left) from nonREM (center) ...

Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. By Bishop Sand March 20 at 8:00 a.m. Listen to a dawn chorus from ...

An example of a spectrogram, which scientists use to highlight sound sources based on their visual signatures. Credit must be given to the creator. Only noncommercial uses of the work are permitted.

A major goal of evolutionary biology is to understand the dynamics of natural selection within populations. The strength and direction of selection can be described by regressing relative fitness ...

The app includes a categorized library of vocalizations tied to social and behavioural cues; a spectrogram tool to explore pitch, rhythm and tone; and an interactive quiz to test users' interpretation ...

Here’s an interesting use for an old organ. Let it get in on your Ham radio action. [Forrest Cook] is showing off his project which uses a Hammond Organ to encode messages which can be displayed by a ...