In the ’90s cartoon “Pinky and the Brain,” the titular Brain — a scheming lab mouse with an outsize noggin — fantasized about taking over the world. A study published Thursday in Science posits that ...

Rodents may have a rule of thumbnails. Many rodents have curved claws that help the animals climb or dig. But most also have flat nails on their thumbs, researchers report in the Sept. 4 Science. This ...

The humble rodent “thumb” may not seem like an obvious window into evolution, but its keratinized tip – the unguis (hoof, claw, or nail) – turns out to reveal striking insights into rodent history and ...

Foot bones that are separate in small hopping rodents are fused in their larger cousins, and a team of researchers at the University of Michigan and University of California, San Diego wanted to know ...

A new study has found the distribution of females in 33 species of Australian rodents affects the evolution of testes size of males in these social species. Insights into reproduction and male ...

Foot bones that are separate in small hopping rodents are fused in their larger cousins, and a team of researchers wanted to know why. Foot bones that are separate in small hopping rodents are fused ...