Volume 593 Issue 7859



News Features

News & Views

Previously unknown type of protein crosslink discovered p.343

Molecular crosslinks known as disulfides stabilize the 3D structures of many proteins, and sometimes regulate protein function. But disulfides are not alone — another type of regulatory protein crosslink has been discovered.

doi: 10.1038/d41586-021-01135-3

Revolutionary view of two ways to split a mitochondrion p.346

Organelles called mitochondria divide in at least two contexts: during cell growth and in response to mitochondrial damage. The finding that division is different in these two contexts sheds light on the regulatory pathways involved.

doi: 10.1038/d41586-021-01173-x

Conversations, and how we end them p.347

How we feel about the duration of our conversations has rarely been studied. New research has asked people about the lengths of their conversations, and whether they end when they want them to.

doi: 10.1038/d41586-021-01074-z

Iron and nickel vapours are present in most comets p.349

The detection of iron and nickel vapours in a broad range of Solar System comets, and of nickel vapour in a comet from outside the Solar System, provides a glimpse into the organic chemistry of young planetary systems.

doi: 10.1038/d41586-021-01265-8