So, a rat is not a monkey is not a human. Studying the behaviour of rodents is valid ethological and neurobiological work, and animal welfare is certainly important. However, it is the pain of ...

The human cells formed connections with rat neurons and could be used to control the rats’ behavior. “It’s a very important . . . very cool study,” Yun Li, a molecular geneticist at the University of ...

Three of them contained rat DNA, and one even had a little bit of human DNA, either from skin, fingernail or hair. SEE ALSO: These creative, ridiculous burger combinations will have you salivating ...