Daily Science Webcasts

Hummingbirds - Imitative Songs

Hummingbirds are tiny virtuosos of the animal kingdom. -- Mar 12, 2010

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Soil Litter - Soil As Living Skin

Soil is bio-dynamic: it has the capacity to filter pollutants and transform elements into organic matter. -- Mar 11, 2010

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Cantometrics - Culture and Music

Celebrating 35 years of recordings: Developed by sound recordist Alan Lomax in the 1950s, cantometrics is a measure of music in relation to the culture from which it stems. -- Mar 10, 2010

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Narwhal Tusks - Inside Out

Teeth are ideally strong, hard, and pearly white, right? Not for the narwhal and its inside out tusk. -- Mar 9, 2010

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Cantometrics - Music as the Measure of Humanity

Celebrating 35 years of roecordings: Legendary sound recordist Alan Lomax recounts his very first recording, in a Texas penitentiary. -- Mar 8, 2010

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Each weekday, Pulse of the Planet provides a two-minute sound portrait of Planet Earth, tracking the rhythms of nature, culture and science worldwide and blending interviews and extraordinary natural sound.
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