This week in Biology and Chemistry

Tension directly stabilizes reconstituted kinetochore-microtubule attachments

Telomerase reactivation reverses tissue degeneration in aged telomerase-deficient mice

Reprogramming Cellular Behavior with RNA Controllers Responsive to Endogenous Proteins

Intermediate Steps

PML Regulates Apoptosis at Endoplasmic Reticulum by Modulating Calcium Release

The Evolution of Maximum Body Size of Terrestrial Mammals

A Bacterium That Can Grow by Using Arsenic Instead of Phosphorus