Giant extinct ancient rodent had a tiny brain
(PHYSorg.com Archaeology & Fossils)

A team of researchers with Universidade Federal de Santa Maria, Universidade Federal do Acre and the Paleontological Institute and Museum has discovered the ancient remains of a giant, extinct, tiny-brained rodent that once lived in South America. In their paper published in the journal Biology Letters, the group describes the skeletal remains they found and how the rodent likely appeared when alive.