This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. UPPER EAST SIDE, Manhattan (PIX11) — ...

A technique that is increasingly used worldwide to improve the welfare of rats in research is rat “tickling”—whereby humans make light, brisk, and vigorous movements with their fingertips on a rat’s ...

Rat sperm cells have grown inside sterile mice, and the technique used could lead to human-rat hybrids for biomedical research or help save endangered species. Pluripotent stem cells (PSCs) can divide ...

New York City's new rat-killing method has wiped out rats on a strip in the Upper East Side. The carbon-monoxide method kills the rats but doesn't address the underlying issues. Rat and pest experts ...

Rats are now being eliminated with carbon monoxide in New York City. Some dead rats get carried away, but others get buried. A rat exterminator spoke to Insider about why he prefers this method. Rats ...