This week in Biology and Chemistry

New Oligocene primate from Saudi Arabia and the divergence of apes and Old World monkeys

Relationship between nucleosome positioning and DNA methylation

Promoter melting triggered by bacterial RNA polymerase occurs in three steps

Structure of the gating ring from the human large-conductance Ca2+-gated K+ channel

Directionality of nucleocytoplasmic transport of the retroviral gag protein depends on sequential binding of karyopherins and viral RNA

Designing communicating colonies of biomimetic microcapsules

Rediscovery of the nucleolinus, a dynamic RNA-rich organelle associated with the nucleolus, spindle, and centrosomes