Exposure to endocrine-disrupting chemicals in early life, including during gestation and infancy, results in a higher ...

Exposure to endocrine-disrupting chemicals in early life, including during gestation and infancy, results in a higher ...

Rats are opportunistic foragers who get into trouble a lot. They like to chew, which tends not to end well for them. In our ...

Females "tend and befriend" rather than "fight or flee." Higher stress hormone responses explain their higher incidence of ...

A new study shows that a rat’s finger length ratio predicts sexual activity and scent preference—offering clues about human sexuality.

A study from Okayama University links finger length in rats to sexual behavior and preference, offering new insights into ...

Sexual behavior and sex preference in animals and humans are shaped by complex interactions between the brain and hormones during early development. One critical factor is exposure to androgens (male ...

This illustration, inspired by the visual storytelling style of traditional Japanese ukiyo-e, depicts how fetal androgen ...

A veterinary nurse's pet rats have been creating mini paintings which are being sold to people around the world. The rodents, who are owned by Somerset resident Steph Toogood, make the art by ...

Dr. Doug,This rat has a large mammary tumor (arrow). These tumors, which can grow exceptionally large, are generally easy to remove and have successful recoveries. Photo provided Dr. Doug, ...

At first, scientists just wanted to figure out the best way to kill these pests. Then they decided that studying rat society could reveal the future of our own.