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.”
Doctor’s Diary: 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?