One study found that rats emitted ultrasonic vocalizations when they were subjected to manual somatosensory stimulation, i.e., tickling. The results of this controversial research were published in ...

In Dar es Salaam, Tanzania, every morning, a medical specialist known as Chewa (a name that means brave in Swahili — but his bosses call him Mchapakazi, the hard worker) gets excited about his job.

A multi-institutional team of researchers has created a new and improved genetic map for the laboratory rat, a cornerstone in medical and scientific research. Known as GRCr8, this updated genome ...

Lab rats are finally catching a break. The Medical College of Wisconsin in Milwaukee has received a 5-year, $13 million grant to establish a National Center for Systems Biology, reports Newswise. The ...