All Things Considered for July 22, 2012 Hear the All Things Considered program for July 22, 2012

Visitors view the AIDS Memorial Quilt at the National Mall in Washington, D.C., where the International AIDS Conference is being held this week. Ebony Bailey/NPR hide caption

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Ebony Bailey/NPR

Testing, Treatment Key Weapons In AIDS Fight

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Days to Come Bonobo & Bajka

There are millions of killers loose in California, and eucalyptus trees are their victims. Entomologist Timothy Paine has been studying the insects killing California's menthol-scented trees for two decades — and he's noticed a suspicious pattern. George Rose/Getty Images hide caption

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George Rose/Getty Images

Invasive Pests, Or Tiny Biological Terrorists?

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Múmtaz Khan Ratatat
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Pretty Take Elm from Arm

Nas, who at 38 has just released his 10th album, Life Is Good. Courtesy of Def Jam Records hide caption

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Courtesy of Def Jam Records

Nas On Marvin Gaye's Marriage, Parenting And Rap Genius

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Pontooner Carl Henry Brueggen
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Let's Talk About Hi-fi
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Hot Banana Tipsy
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Buzzz
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