"PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA programs demystify science and technology, and highlight the people involved in scientific pursuits." -- iTunes Store
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On February 15th, car cameras and cellphones captured a blinding streak that flashed across the sky over Russia’s Ural Mountains, followed by an explosion that injured some 1,500 people. The meteor, weighing around 10,000 tons, was the largest object to burst in the atmosphere since 1908. Within days, NOVA crews were in Russia following impact scientists as they hunted for debris from the explosion and clues to the meteor’s origin.
the fine print: Downloads posted on the Free iTunes Downloads blog are usually free for ~1 week. After that, you'll have to pay for them.