Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Since Aristotle, scientists have vivisected, poked, and prodded ...

A controversial new study claims that more than 110 million of the mammals used in American scientific laboratories for experiments are either mice or rats — an assertion that, if true, is astonishing ...

Humans owe a huge debt of gratitude to lab rodents, but only now are we discovering just how many thanks are in order. In a first for laboratory science, a new report has attempted to quantify how ...

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.