MICE were fed from 3 to 6 weeks of age (weaning to mating) on diets made up by diluting a normal diet with different levels of an indigestible filler (cellulose). A greater range of diets, and ...

and said he was an attention-hungry narcissist who “enjoyed showing off putting baby chickens and mice in a blender to feed his hawks. It was often a perverse scene of despair and violence.” ...

Even baby mice calling to their mothers produced new sequences of sounds. “All baby mice make ultrasonic squeaks to their moms, and language researchers categorize the varying squeaks as four ...