This system is perfect for mammals who need to circulate lots of oxygen in order to keep up their active lifestyles. Fish have a circulatory systems with just one circuit. Their hearts pump oxygen ...

Autonomous robots may soon be an ever-present force in our lives, but they are going nowhere fast — or rather, a short distance quickly — without better batteries. You’ve surely seen modern ...

Soft robots can already swim like fish and squeeze damaged hearts to ... a robot that is powered by its own artificial circulatory system. The robot, whose design was inspired by a lionfish ...

One of the most important preconditions for the development of terrestrial vertebrates in the course of evolution was the formation of the two halves of the circulatory system ... an evolutionary ...