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Geminid Meteors Defy Explanation
pimg src=http://science.nasa.gov/media/medialibrary/2010/12/06/thumbnail2.jpg align=right style=padding: 5px; / The annual Geminid meteor shower peaks this year on Dec. 13th and 14th. Researchers don't fully understand the Geminids, and new measurements make it more mysterious than ever. /p pPlease vote for this podcast at a href=http://www.podcastalley.com/one_vote2.php?pod_id=825PodcastAlley/a! /p pa href=http://science.nasa.gov/media/medialibrary/2010/12/06/story_geminids.mp3Get this podcast story. /a/p
"Arsenic-Bug" Redefines Life as We Know It
pimg src=http://science.nasa.gov/media/medialibrary/2010/12/02/thumbnail.jpg align=right style=padding: 5px; / NASA-supported researchers have discovered the first known microorganism on Earth able to thrive and reproduce using the toxic chemical arsenic. The microorganism, which lives in California's Mono Lake, substitutes arsenic for phosphorus in the backbone of its DNA. /p pPlease vote for this podcast at a href=http://www.podcastalley.com/one_vote2.php?pod_id=825PodcastAlley/a! /p pa href=http://science.nasa.gov/media/medialibrary/2010/12/02/story_monolake.mp3Get this podcast story. /a/p
Alien Comets Invade the Solar System
pimg src=http://science.nasa.gov/media/medialibrary/2010/11/23/thumbnail.jpg align=right style=padding: 5px; / Some of the comets in our Solar System probably came from other stars, according to new research by NASA-supported scientists. Studying these 'alien' comets, they say, could reveal new information about stellar systems far, far away. /p pPlease vote for this podcast at a href=http://www.podcastalley.com/one_vote2.php?pod_id=825PodcastAlley/a! /p pa href=http://science.nasa.gov/media/medialibrary/2010/11/23/story_aliencomets2.mp3Get this podcast story. /a/p
Hubble Observes Possible Asteroid Collision
pimg src=http://science.nasa.gov/media/medialibrary/2010/10/13/thumbnail.jpg align=right style=padding: 5px; / NASA's Hubble Space Telescope has captured rare images of a suspected asteroid collision. The snapshots show a bizarre X-shaped object at the head of a comet-like trail of material. Their findings will be published in the Oct. 14th issue of Nature. /p pPlease vote for this podcast at a href=http://www.podcastalley.com/one_vote2.php?pod_id=825PodcastAlley/a! /p pa href=http://science.nasa.gov/media/medialibrary/2010/10/13/story.mp3Get this podcast story. /a/p