The tangled mass of tubing, disks and light bulbs unveiled before a packed meeting of the Royal Society of scientists in London looked for all the world like an outsize example of abstract sculpture.

How proteins evolved the ability to form complexes made up of multiple subunits—and what functions this new structure enabled in early multimeric proteins—isn’t well understood. To better understand ...

CD163 might not be the most exciting name in the world, but behind it lies one of the body’s most important defence receptors, which steps in when red blood cells break down and release harmful ...