DNA ring | 9K solid yellow gold Dan The transition to disposable blades

The transition to disposable blades in the 1920s standardised the cutting edge across operating theatres globally

with the same 45 mm pendant size

the result is a Voronoi-like tessellation

Juniper necklace | sterling silver

Both shared the 1997 Nobel Prize in Chemistry for the work

DNA ring | 9K solid yellow gold Dan The transition to disposable bladesDNA ring 9K solid yellow gold The double helix is the most recognisable shape in biology. Every cell in your body contains 3. 2 billion base pairs of it, and every time a cell divides it unspools 2 metres of DNA to copy itself. Solid gold is for people who want to carry it permanently. The Science Behind the DNA Double Helix Watson and Crick published the structure in 1953: the B form of DNA, two antiparallel strands held together by base pairing (A T