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

In recent experiments, rat brain cells filled in for lost neurons in mouse brains, raising new possibilities for growing donor tissues across species. When you purchase through links on our site, we ...

A series of experiments at USC involving rats, cocaine and electric shocks has been stopped following a university investigation into complaints about lab-animal welfare. The experiments involved ...

Miniature, lab-grown models of the human brain's wrinkled surface can be used to patch injuries in the brains of living rats and thus repair broken connections in the rodents' sensory processing ...

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.