This slowdown, first identified in 1961 by biologists Leonard Hayflick and Paul Moorhead, is a normal part of cellular life cycles.

生物学家Leonard Hayflick和Paul Moorhead于1961年发现这个细胞老化减缓的现象，他们认为这是正常细胞生长周期中的一个普通环节。

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Dr. LEONARD FLECK (Michigan State University) : Thank you, Paul.

伦纳德-法立科博士(密歇根州立大学)：谢谢你，保罗。

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While he does play in a loaded Western Conference with shoe-ins like Kawhi Leonard, Klay Thompson and Chris Paul, the rules for voting have changed.

尽管他的确在竞争激烈的西部和半只脚已经踏进全明星的科怀-伦纳德，克莱-汤普森已经克里斯-保罗竞争，但投票的规则已经改变了。

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Paul Leonard is the manager of Upper Dublin Township, a suburb of Philadelphia, says he recently discovered through happenstance that there's a major fiber-optic cable running just yards from his office.

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Paul Leonard, vice president for Government Affairs of the Financial Services Roundtable's Housing Policy Council, says all of the discussion has given federal regulators more guidance to formulate their new statement on subprime lending, which will be finalized in May.

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They've put Bob Dylan at number one, followed by Neil Young, Bruce Springsteen, Tom Waits (with Kathleen Brennan), Paul McCartney, Leonard Cohen, Brian Wilson, Elvis Costello, Joni Mitchell and Prince.

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