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The Boston Globe


Science in Mind

Team uses mice to better understand how humans adapted

Harvard researchers are using scientific tools more often deployed to probe major health problems to understand the recent evolution of humans. In a study published Thursday, scientists used DNA blueprints from living people and experiments in laboratory mice to gain insight into a genetic change that became common among East Asians some 30,000 years ago.

They showed that the particular gene variant causes the development of more sweat glands and speculated it could have given people a survival advantage in the humid climate of the region.

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