John Bumpass Calhoun’s life’s work — studying rats and mice — was grounded here in Baltimore at the Johns Hopkins University.

We crafted our first rodent car from a plastic cereal container. After trial and error, my colleagues and I found that rats ...

"Although cars made for rats are far from anything they would encounter in the wild, we believed that driving represented an ...

It indicates an expandable section or menu, or sometimes previous / next navigation options. Affiliate links for the products on this page are from partners that compensate us and terms apply to ...

Whenever we go online, we might find ourselves part of an experiment — without knowing it. Digital platforms track what users ...