We were trying to learn how certain animals lost their regeneration capacity during evolution and then put back the ...

Learn about different types of pets, including exotic and traditional pets, ... Many families adopt chinchillas, mice, gerbils, prairie dogs, ferrets, and rats. Tips for Choosing a Pet.

Scientists had successfully created a new breed of mice that can reduce free radicals at the cellular level to extend life for themselves.

Now, he and his colleagues show that unconscious mice elicit a suite of behaviors from cage mates that seem to speed recovery from anesthesia. Oxytocin neurons, which underlie helping behaviors in ...