As memory fades, people may have difficulty learning new things or navigating their surroundings. In an experiment with rats, scientists explore the role of the hippocampus in helping rats get through ...

UCLA scientists observed the activity of large numbers of neurons in the brains of rats while the animals navigated a virtual reality maze. [Mehta Lab/UCLA] It has been long understood that the area ...

Pet rats are intelligent, social, and affectionate companions that make wonderful additions to many households. Despite common misconceptions, these small rodents are clean and trainable and bond ...