Leonardo Da Vinci was one of the first people to draw detailed sketches of human anatomy. His drawings showed that he noticed networks of muscle fibers on the inside of the heart. Da Vinci thought ...

We believe the human heart evolved away from the trabeculated structure seen in the other great apes to enhance its ability to twist and contract more efficiently. This increased twisting motion, ...

Senior Lecturer and Clinical Academic in Faculty of Medicine, Health & Life Sciences, Swansea University Mammals, from the mighty blue whale to the tiny shrew, inhabit nearly every corner of our ...