atom necklace 3D | gold vermeil pp_protein The first time the trefoil

The first time the trefoil registers as something other than a warning sign is usually around the start of residency or radiation safety work

or a bedside while still reading clearly as an ECG to anyone who works with one

The thyroid gland in its anatomical butterfly shape: two lateral lobes connected by a central isthmus

The pattern of gyri and sulci is broadly conserved between people but never identical

Collagen is built from three polypeptide chains wound into a left-handed helix that then twists into a right-handed superhelix

atom necklace 3D | gold vermeil pp_protein The first time the trefoilatom necklace 3D 18k gold vermeil The atom is the universal symbol of science itself. The first thing children draw when asked to picture matter, the icon on every chemistry textbook spine, the model that turned matter from mystery into a working system. The structure that the rest of physics has to fit on top of. The Science Behind the Atom The Bohr model, with electrons in defined orbits around a dense nucleus, was published by Niels Bohr in 1913.