Coronavirus pandemic: Nature’s pledge to you p.471

Research offers the best exit strategy from this pandemic, and we’ll do everything we can to help clinicians and natural and social scientists find it.

doi: 10.1038/d41586-020-00882-z

Decades-old refrigerators and insulation from buildings are leaking ozone-destroying chemicals: nations must act p.472

doi: 10.1038/d41586-020-00883-y

What China’s coronavirus response can teach the rest of the world p.479

doi: 10.1038/d41586-020-00741-x

Scientists exposed to coronavirus wonder: why weren’t we notified? p.480

US authorities are failing to test people and notify their contacts, a cornerstone of outbreak response.

doi: 10.1038/d41586-020-00823-w

Coronavirus vaccines: five key questions as trials begin p.481

doi: 10.1038/d41586-020-00798-8

The coronavirus pandemic in five powerful charts p.482

From papers published to carbon emissions to confirmed cases, these data reveal an unprecedented viral outbreak and its impacts around the world.

doi: 10.1038/d41586-020-00758-2

How a small nuclear war would transform the entire planet p.485

doi: 10.1038/d41586-020-00794-y

A safe fix for alcohol-derived DNA damage p.499

A by-product of alcohol metabolism can damage the genome by crosslinking opposing DNA strands. The discovery of a safe mechanism that reverses such damage might open up avenues of research for drug discovery.

doi: 10.1038/d41586-020-00462-1

International regulations have paused a jet-stream shift in the Southern Hemisphere p.500

doi: 10.1038/d41586-020-00787-x

AI finds microbial signatures in tumours and blood across cancer types p.502

Analysis of nucleic-acid sequences from human cancers, along with samples from adjacent tissue and blood, reveals the presence of microorganisms in tumours and blood across cancers.

doi: 10.1038/d41586-020-00637-w

Chromatin modified in a molecular reaction chamber p.503

Chromatin, the complex of DNA and protein in cell nuclei, can be modified by ubiquitin molecules. It emerges that this modification occurs in a molecular reaction chamber formed from an enzyme and a scaffold protein.

doi: 10.1038/d41586-020-00638-9

Forty years of ice-core records of CO₂ p.505

In 1980, a method was found to determine the amount of carbon dioxide in ancient air trapped in polar ice — providing direct evidence that CO2 is coupled to climate, and affects global temperatures in the past, present and future.

doi: 10.1038/d41586-020-00809-8

Dietary modifications for enhanced cancer therapy p.507

doi: 10.1038/s41586-020-2124-0

Highly porous nature of a primitive asteroid revealed by thermal imaging p.518

doi: 10.1038/s41586-020-2102-6

Chiral superconductivity in heavy-fermion metal UTe₂ p.523

doi: 10.1038/s41586-020-2122-2

Nagaoka ferromagnetism observed in a quantum dot plaquette p.528

doi: 10.1038/s41586-020-2051-0

Nanoplasma-enabled picosecond switches for ultrafast electronics p.534

doi: 10.1038/s41586-020-2118-y

A mechanism of ferritin crystallization revealed by cryo-STEM tomography p.540

doi: 10.1038/s41586-020-2104-4

A pause in Southern Hemisphere circulation trends due to the Montreal Protocol p.544

doi: 10.1038/s41586-020-2120-4

Elpistostege and the origin of the vertebrate hand p.549

doi: 10.1038/s41586-020-2100-8

Dopamine D2 receptors in discrimination learning and spine enlargement p.555

doi: 10.1038/s41586-020-2115-1

FERONIA controls pectin- and nitric oxide-mediated male–female interaction p.561

doi: 10.1038/s41586-020-2106-2

Microbiome analyses of blood and tissues suggest cancer diagnostic approach p.567

doi: 10.1038/s41586-020-2095-1

Feeding-dependent VIP neuron–ILC3 circuit regulates the intestinal barrier p.575

doi: 10.1038/s41586-020-2039-9

Sex-specific adipose tissue imprinting of regulatory T cells p.581

doi: 10.1038/s41586-020-2040-3

Dietary fructose feeds hepatic lipogenesis via microbiota-derived acetate p.586

doi: 10.1038/s41586-020-2101-7

Phase separation directs ubiquitination of gene-body nucleosomes p.592

doi: 10.1038/s41586-020-2097-z

HPF1 completes the PARP active site for DNA damage-induced ADP-ribosylation p.598

doi: 10.1038/s41586-020-2013-6

Alcohol-derived DNA crosslinks are repaired by two distinct mechanisms p.603

doi: 10.1038/s41586-020-2059-5

Virtual discovery of melatonin receptor ligands to modulate circadian rhythms p.609

doi: 10.1038/s41586-020-2027-0

Structural insight into arenavirus replication machinery p.615

doi: 10.1038/s41586-020-2114-2