Feature
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SpaceMining for Missing Matter
In underground lairs, physicists look for the dark stuff.
By Ron Cowen -
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Birth of the beat
Music’s roots may lie in melodic exchanges between mothers and babies.
By Bruce Bower -
Seeking a definition
Pitch is determined by a sound’s frequency. Notes that sit in different positions on a musical scale, called tones, have different pitches. Modern Western music, for example, combines 12 tones, with the A at the middle of a piano keyboard having a frequency of 440 hertz. Other cultures work with fewer tones. The first few […]
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Not just a pleasant sound
When people use music to share stories, comfort peers or worship gods, it takes on new meaning.