Researchers track origin of one of nature's biggest killers

A mosquito species that is one of the world's leading killers of humans arose more than 7 million years ago on islands in the Indian Ocean, some of which had no mammals of any kind, according to a genetic analysis by Yale ...

Web site links African-Americans to ancestors' voyage

In a major advance in genealogical research, African-Americans will be able to trace the routes of slave ships that transported 12.5 million of their ancestors from Africa as early as the 16th century.

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