hummingbird skull necklace | silver Dan Linus Pauling and Robert Corey

Linus Pauling and Robert Corey introduced the alpha helix and the beta sheet in a series of 1951 papers

so it sits at the collarbone or a little below

and in the radiology of cervical-spine trauma

The mesolimbic pathway (ventral tegmental area to nucleus accumbens) drives reward salience and motivated approach

The pinned fabric version was always a temporary gesture

hummingbird skull necklace | silver Dan Linus Pauling and Robert CoreyHummingbird skull necklace sterling silver A heart that beats up to 1,260 times a minute. A body that drops into near ambient torpor overnight to survive on the metabolic edge. A tongue that licks nectar at 18 laps a second. The hummingbird is a study in physiological extremes, and it all begins at the skull. Worn here as a 40 mm sterling silver pendant. The Anatomy of the Hummingbird Skull The hummingbird skull is built for precision nectar