A man was recently seen ripping apart and eating pieces of a New York City rat on a Bronx street, according to video posted ...

Since 1999, the American opioid epidemic has killed more than half a million people, and the staggering majority have been ...

We purchased a batch of 40 adult Long-Evans male rats (300–350 g body weight) from a laboratory animal supplier for studies on sexual behavior. We kept the males in pairs in shoebox cages in a ...

View Full Profile. Learn about our Editorial Policies. When researchers castrated a male rat, implanted a uterus into the animal, surgically joined its circulation to that of a female rat, and ...

According to a new study by WashU Medicine researchers, male and female rats with a chronic pain condition release different ...

"The study aimed to assess the effects of unpredictable chronic mild stress (UCMS) during prepuberty and adolescence and the propolis supplementation on cognitive functions in adult male rats." ...

Rats successfully distinguished between two varieties of white wine, Riesling and Sauvignon Blanc, in a study led by ...

Rat copulation, Corrigan said, only lasts seconds and most of their attempts don’t result in pregnancy. A male rat tries to mate with as many female rats as possible. Even though brown rats are ...