Volume 608 Issue 7923



News Features

News & Views

Evidence at last that the proton has intrinsic charm p.477

An analysis of the distribution of the elementary particles that make up the proton provides evidence that it contains a type of quark known as an intrinsic charm quark — verifying a proposal made four decades ago.

doi: 10.1038/d41586-022-02186-w

Genetic variants that edit risk of autoimmune diseases p.479

A process called A-to-I RNA editing helps to prevent unwanted immune responses. Associations between genetic variants and this type of RNA editing now provide mechanistic insights into the genetic basis of autoimmune diseases.

doi: 10.1038/d41586-022-01641-y

Plate tectonics controls ocean oxygen levels p.480

Variations in ocean oxygen levels during Earth’s history have been linked to evolution and mass extinctions. Simulations now suggest that the configuration of the continents has a substantial impact on ocean oxygenation.

doi: 10.1038/d41586-022-02187-9