This Q&A is part of a weekly series of posts highlighting common questions encountered by technophiles and answered by users at Stack Exchange, a free, community-powered network of 100+ Q&A sites.

In this article, we study some new characterizations of primitive recursive functions based on restricted forms of primitive recursion, improving the pioneering work of R. M. Robinson and M. D.

Recursion, Roche, and its Genentech subsidiary have unveiled a whole-genome map of specialized microglial immune cells that they plan to use toward revealing significant new targets in ...