raven skull necklace | silver gold_plated Sagittal brain necklace | gold

Sagittal brain necklace | gold vermeil

and reach for objects in any direction with one hand

Dopamine serotonin necklace H | sterling silver and 18K gold vermeil

the loop of Henle (which builds the medullary concentration gradient)

raven skull necklace | silver gold_plated Sagittal brain necklace | goldRaven skull necklace sterling silver If you have spent a decade watching corvids solve problems, or you have read every paper on corvid cognition, or you know that ravens can count, you already know why this pendant exists. The raven skull in sterling silver is for anyone who recognizes the intelligence in that black eye. A 26 mm daily wear necklace. The Science Behind the Raven Corvus corax (the common raven) is one of the most intelligent birds,