platypus skull necklace | silver pp_obstetrics Cytosine-guanine earrings | sterling silver

Cytosine-guanine earrings | sterling silver

mostly dipalmitoylphosphatidylcholine plus surfactant proteins A through D) lines the alveolus and reduces surface tension

Bacteriophage earrings | silver

Dopamine bracelet | silver

The sinoatrial (SA) node

platypus skull necklace | silver pp_obstetrics Cytosine-guanine earrings | sterling silverplatypus skull necklace sterling silver The platypus is the world's oldest secret. A mammal that lays eggs. A predator with a duck's bill and venomous spurs. A body containing the genetic code of reptiles, birds, and mammals all woven into one living fossil that has remained almost unchanged for a hundred million years. A 30 mm sterling silver pendant shaped like the skull of one of Earth's strangest survivors. The Science Behind the Platypus Skull