While the name of John Bumpass Calhoun might not be familiar to everyone these days, he and his life’s work — studying rats and mice — were grounded here in Baltimore at the Johns Hopkins University ...

Rats are as bad as human beings in some ways. In the latest Journal of Wildlife Management, Dr. John B. Calhoun, of Johns Hopkins, discusses one such aspect of the rat world: the troubles which ...

People predicting the end of world generally make those predictions without scientific evidence to support them. So when an animal-behavior researcher ran experiments in the 1960s that described ...

Just about every student of animal behavior has studied the work of Dr. John Calhoun, famously or infamously known for his rodent apartment complexes like “Mouse Universe 25,” which led to his concept ...

Not that they can help it, but there’s something essentially ridiculous about mice. When an ancient parodist wanted to puncture Homer’s solemnity, he turned the Iliad into “The Battle of Frogs and ...

In June 1972, the Royal Society of Medicine in London hosted a symposium called “Man in His Place”. It featured an eclectic group of speakers, including Jacob Bronowski, whose acclaimed 13-part BBC ...

Rats are everywhere, just like people. They want what we want: warmth, shelter, food, family. The brown rat, also called the common, street, sewer, wharf, or Norway rat, probably evolved in Mongolia, ...