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 ...

To investigate that, researchers turned to a sort of evolutionary second-cousin of the kangaroo, the musky rat-kangaroo.

SUMMERS: But a bigger question is how kangaroos' superpower came to be. To investigate, Bishop and his colleagues turned to a sort of evolutionary second cousin of the kangaroo, a rat-looking creature ...

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 ...