Volume 577 Issue 7792



News Features

News & Views

How the stress of fight or flight turns hair white p.623

Signalling from the sympathetic nervous system of mice when subjected to stress leads to the depletion of a stem-cell population in their hair follicles. This discovery sheds light on why stress turns hair prematurely grey.

doi: 10.1038/d41586-019-03949-8

Suspect that modulates the heartbeat is ensnared p.624

The activity of calcium channels in the heart increases during what is called the fight-or-flight response. An investigation into the 50-year-old mystery of how this occurs has captured a previously overlooked suspect.

doi: 10.1038/d41586-020-00096-3

A watershed moment for protein structure prediction p.627

Two threads of research in the quest for methods that predict the 3D structures of proteins from their amino-acid sequences have become fully intertwined. The result is a leap forward in the accuracy of predictions.

doi: 10.1038/d41586-019-03951-0