Each weekday, Pulse of the Planet provides its listeners with a two-minute sound portrait of Planet Earth, tracking the rhythms of nature, culture and science worldwide and blending interviews and extraordinary natural sound.Get more info.
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Owl Feathers - Mechanics of Silent Flight
A raptor biologist reveals the uncanny resources of an owl's stealthy flight.
-- Dec 9, 2013
Owl Feathers - Nocturnal
The silent flight of the nocturnal owl aids its ability to catch prey at night.
-- Dec 6, 2013
Science Frontiers - Dark Energy
If we could harness it in some way, could dark energy be used as a power source?
-- Dec 5, 2013
Science Frontiers - Dark Matter
According to astronomers, less than 5 percent of the content of the known universe is made up of what we call matter.
-- Dec 4, 2013
Science Frontiers - Why is There Mass?
According to the laws of Quantum Physics, there was, until recently, no good reason for why things have mass or substance.
-- Dec 3, 2013