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A Nasty Weed May Have Helped Ancient Humans Keep Their Teeth

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Archaeologists have found that for a period of about 7,000 years, people were eating a weed that may have helped them avoid cavities. (This story originally aired on All Things Considered on July 16.)

Elvis Costello: 'There Is No Absolute Right And Wrong About Music'

Throughout his memoir, Unfaithful Music & Disappearing Ink, Costello grapples with parallels to his father's life. "In the end, music was playing in the room when my father left this earth," he says.

Why Wal-Mart And Other Retail Chains May Not Fix The Food Deserts

Americans' junk food calories increasingly come from big box and convenience stores rather than traditional grocers, a study finds. And researchers say this trend is a public health concern.

Planned Parenthood To Stop Accepting Reimbursement For Fetal Tissue

Planned Parenthood says it will no longer accept reimbursement for the cost of providing fetal tissue to researchers. The move is a response to sting videos and accusations that the organization unlawfully profits from such donations.

Twitter's Suspension of Sports Media Revives Debate Over Fair Use

Twitter is going after news media that share highlights of U.S. football games without sports organizations' permission. The move shines a spotlight on the notion of fair use of copyrighted content.

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