Members of Congress exploded Thursday over reports that taxpayer money has paid for experiments using “transgender lab rats,” saying it was time to shut down the government’s animal-testing industry.

Scientists have discovered a more robust way of grouping chemicals and using read-across for toxicological data to meet regulatory requirements, which could greatly reduce animal testing. The safety ...

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STEMart announces the expansion of its genetic toxicology capabilities with the In Vivo Rat Micronucleus Test services. NEW YORK, NY, UNITED STATES, January 26, 2026 ...