raven skull necklace | silver pp_cardio The Science of the Phylogenetic

The Science of the Phylogenetic Tree

ADHD involves the opposite problem: insufficient dopamine and noradrenaline in the prefrontal cortex

No other molecule drives so much of chemistry and biology from such a simple structure

hair-fibre and serology evidence carried significant uncertainty

raven skull necklace | silver pp_cardio The Science of the PhylogeneticRaven 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,