Seven years ago, researchers at Stanford University started an ambitious experiment: They began growing miniature, simplified versions of the human brain from stem cells inside a lab, then later ...

For centuries, rats have thrived in cities because of human behavior. In response, humans have blamed the rats and developed techniques for poisoning them. We research urban rat populations and ...

Equipped with a rodent version of a Cybertruck, these driving rats reveal that positive experiences may sculpt the brain just ...

Rats given an anti-anxiety medication were less likely to free trapped companions because the drug lessened their empathy, according to a new study by UChicago neuroscientists. The research, published ...

Rats seem to be everywhere across the city, and agencies across the boroughs say the fight to eradicate them is far from over. More than 2,000 rat sightings were reported by the city in the Bronx ...

The brown rat (Rattus norvegicus) has always been seen as a sewer or barn pest. No matter how cute we found the movie Ratatouille, rats—even if they are ...

Scientists have discovered for the first time that invasive rats on tropical islands are affecting the territorial behavior of fish on surrounding coral reefs. The new study shows that the presence of ...

A technique has been developed to quantify nest building in rats. Small wooden dowels are provided as nest material. Rats shred the dowels, and the degree of nest building is determined by the amount ...

The researchers injected the human tissue into the rats’ somatosensory cortexes — regions that receive and process sensory information like touch or pain. After about two weeks of training, the rats ...

For centuries, rats have thrived in cities because of human behavior. In response, humans have blamed the rats and developed techniques for poisoning them. We research urban rat populations and ...