• "It is unfair because he has done nothing wrong." The five men face life in prison and are expected to be sentenced in December.

    VOA: standard.2009.10.17

  • The expected life spans increased dramatically in the last couple of hundred years until now, for people that were born when you were born you can expect to live to be 80 years old, a doubling in life span, fairly dramatic.

    从几百年前到现在,预期寿命显著增长了,你们同期出生的那批人,能够活到八十岁,预期寿命增长了一倍,令人印象深刻

    耶鲁公开课 - 生物医学工程探索课程节选

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