And chemists who understand how plutonium ages also develop forensics to track missing nuclear material and catch those trafficking in it.

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Food inspectors, air-traffic controllers, specialists who track down loose nuclear material wouldn't get their paychecks.

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He first stops at the track, refurbished with synthetic material.

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And she may never know, as there is seemingly no way to track down people and match them to material they don't even know they left behind.

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Others though, like Rouiller, say that while online material can put an individual onto the wrong track, ultimately there is almost always a terrorist "mentor" who plays a key role in pushing someone towards violence and that mentoring almost always takes place face-to-face, in somewhere like a mosque, high school or university.

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While there's no timeline for the release of the song or new material, Diamond has the song on the fast track.

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Last year, Zynga worked with Dr. Dre to release a track through their Mafia Wars game, but this is the first time the company has received exclusive material.

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Since 2001, Sprint has recycled more than 48 million phones, which includes at track NASCAR fan cell phone recycling, which in turn equates to more than 2, 600 metric tons of material.

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