This week in Biology and Chemistry

Trapping a Diradical Transition State by Mechanochemical Polymer Extension

Transposable elements have rewired the core regulatory network of human embryonic stem cells

Epigenetic memory in induced pluripotent stem cells

Diffusion-Limited Reactions in Crowded Environments

MICU1 encodes a mitochondrial EF hand protein required for Ca2+ uptake

Designing sequential transcription logic: a simple genetic circuit for conditional memory

The structure of (CENP-A–H4)2 reveals physical features that mark centromeres

Fast live simultaneous multiwavelength four-dimensional optical microscopy