Tag: ductus arteriosus
The Genius of the Fetal Circulatory System
Last week, my wife and I welcomed our first child into the world. It is difficult to imagine a more profound testimony to design.
Doctor’s Diary: Evolution in the Country of the Blind
Fans of H. G. Wells are probably familiar with his 1904 short story, “The Country of the Blind.”
Porcupine Quills and Other Examples of Nature’s Foresight
A newborn porcupine passes through its mother’s birth canal without causing her any injuries. How?