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TechKnow explores how the latest scientific discoveries are changing our lives. @AJAM Saturdays, 5:30p ET

Los Angeles
Joined July 2013
‘Poisonous lands’: Pennsylvania prison built next to toxic dump alj.am/js7y
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Smugglers work on the dark side of Rwanda’s plastic bag ban alj.am/4de5
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Sea cucumbers a fragile, fading source of income for Sierra Leone’s divers alj.am/hqsg
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Opinion: Apple has become privacy’s unfortunate champion alj.am/m6lx
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Seared by climate change, Nicaragua’s small farmers face food crisis alj.am/c728
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Public action needed to slow rising seas, experts say alj.am/9lq3
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Presumed dead, wild Atlantic salmon return to the Connecticut River alj.am/fb98
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Survey: 54 percent in developing world use Internet alj.am/rnqg
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Peru pipeline leaks in Amazon, two rivers polluted alj.am/ly3u
Black bears of Ohio return to natural habitat alj.am/l5xh
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