Harvey Leifert

Harvey Leifert, harveywriting@verizon.net, is a freelance science writer based in Bethesda, Maryland. He previously served as public information manager for the American Geophysical Union and as a Foreign Service officer with the U.S. Information Agency.

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Recent Stories

Pigs possess complex ethological traits similar to dogs and chimpanzees.

Validation, At Last

A Matter of Degrees

Striations in teeth reveal the pace of life.