Scientists look to a rat-like creature to better understand the kangaroo's hop
Scientists have been curious about how kangaroos evolved to hop with such efficiency. To investigate that, researchers turned to a sort of evolutionary second-cousin of the kangaroo, the musky rat-kangaroo.

Scientists have been curious about how kangaroos evolved to hop with such efficiency. To investigate that, researchers turned to a sort of evolutionary second-cousin of the kangaroo, the musky rat-kangaroo.