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infertility

(Encyclopedia) infertility, inability to conceive or carry a child to delivery. The term is usually limited to situations where the couple has had intercourse regularly for one year without using…

COVID-19

(Encyclopedia) COVID-19, contagious viral disease caused by severe acute respiratory syndrome coronavirus 2, or SARS-CoV-2, a coronavirus that is genetically related to SARS-CoV, which causes SARS.…

September 2008 Current Events

Here are the key news events of the month organized into three categories: World News, U.S. News, and Business, Society, and Science News. World | Nation | Business/Science/Society Japanese Prime…

August 2021 Current Events: World News

Top of Page US News | Science & Technology News | Disaster News The world is a very busy place, and it's hard to stay on top of everything. Infoplease has got you covered. Here are the world…

Life Expectancy by Country

The Places Where People Live the Longest If you look at the rankings, the average life expectancy by country can vary greatly. Why is that? Some factors, like access to health care, are obvious.…

transplantation, medical

(Encyclopedia) transplantation, medical, surgical procedure by which a tissue or organ is removed and replaced by a corresponding part, usually from another part of the body or from another…