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| Elephant populations are declining as human populations expand and drive them out of their habitats. ... - John T Jones, Ph.D. |
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| The road a broadcasted signal takes to get from the broadcasting building to your house is a long an ... - Chelsea Aubin |
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| There are now a myriad of radio stations that can be heard via the internet. Speech, music and sport ... - David Robinson |
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| Should America be thinking about getting back to the moon by 2013? With Iraq, Afghanistan, Katrina a ... - Michael Bresciani |
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| GSM stands for Global System for Mobile communication. GSM cell phones come with integrated voice ma ... - Paul Heath |
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| This article is about TV satellite - pjs1965 |
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