hummingbird skull necklace | silver Dan The mesolimbic pathway (ventral tegmental

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

The history is deep

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

so it sits at the collarbone or a little below

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

hummingbird skull necklace | silver Dan The mesolimbic pathway (ventral tegmentalHummingbird 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