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For Nature Aging’s fifth anniversary, we acknowledge the essential work that is done by our colleagues, without which Nature Aging’s monthly publication would not be possible. We speak with some of our internal colleagues about the process of making a journal every month. Rebecca Roberts is a production editor at Springer Nature, Mark McGranaghan is a senior sub editor, Lauren Snape is an art editor and Amanda Karmolinski is a senior editorial assistant. In this Q&A, Rebecca, Mark, Lauren and Amanda pull back the curtain and tell us about the various roles that go into putting it all together.

A high-resolution local palaeoclimatic archive is correlated to the early Holocene human behavioural record at the British Mesolithic site of Star Carr. Despite environmental stresses at this time, intensive human activity persisted over centuries, suggesting resilience to climate change.

Here the authors show that gut metagenomes of Indigenous Australian infants living remotely, display greater diversity and abundance of bacteria, viruses and fungi, compared to non-Indigenous infants living in urban Australia, suggesting that while having access to Western foods, the infants start life with a gut microbiome that retains key features of pre-industrialized societies.

Genome-wide data from 166 East Asian individuals dating to between 6000 bc and ad 1000 and from 46 present-day groups provide insights into the histories of mixture and migration of human populations in East Asia.

Genome-wide ancient DNA data from individuals from the Middle Bronze Age to Iron Age documents large-scale movement of people from the European continent between 1300 and 800 bc that was probably responsible for spreading early Celtic languages to Britain.

Merlino et al. demonstrate that the cytokine Interleukin-27 contributes to innate antiviral immunity in the placenta and is an important defense against congenital Zika virus infection.

Ravenelle et al. show that systematically increasing serotonin has sex-specific effects on fear learning in mice. In females only, increasing serotonin in the BNST enhances fear memory by promoting communication with the amygdala.

A large genome-wide association study of more than 5 million individuals reveals that 12,111 single-nucleotide polymorphisms account for nearly all the heritability of height attributable to common genetic variants.

The authors report genetic, archaeological and stable isotopic data from two late Palaeolithic individuals in Britain, from Gough's Cave and Kendrick's Cave. The individuals differ not only in their ancestry but also their diets, ecologies and mortuary practices, revealing diverse origins and lifeways among inhabitants of late Pleistocene Britain.

Polygenic scores for body mass index and obesity constructed using data from 5 million people with different ancestries were associated with distinct weight gain trajectories from early childhood to adulthood.

Myocardial infarction disrupts cardiac repair mechanisms, limiting regeneration. Here, the authors show that extracellular matrix therapies activate spatial and cell-specific pro reparative programs, revealed through spatial transcriptomics and snRNA-seq.

High-depth sequencing of non-cancerous tissue from patients with metastatic cancer reveals single-base mutational signatures of alcohol, smoking and cancer treatments, and reveals how exogenous factors, including cancer therapies, affect somatic cell evolution.

A cross-ancestry meta-analysis of genome-wide association studies identifies association signals for stroke and its subtypes at 89 (61 new) independent loci, reveals putative causal genes, highlighting F11, KLKB1, PROC, GP1BA, LAMC2 and VCAM1 as potential drug targets, and provides cross-ancestry integrative risk prediction.

Genomic analysis of Plasmodium DNA from 36 ancient individuals provides insight into the global distribution and spread of malaria-causing species during around 5,500 years of human history.

This study presents a predictive equation for total energy expenditure derived from doubly labelled water measurements. Applying this equation to two large datasets (the National Diet and Nutrition Survey and National Health and Nutrition Examination Survey) shows that the misreporting of total energy intake is greater than 50%, with important implications for macronutrient availability.

Human dispersal of wild plants has received limited attention. Here, the authors combine ecological surveys and ethnographic observations to examine how Martu Aboriginal people’s seed dispersal and landscape burning impact plant distribution.

The assembly of the genome of the koala provides insights into its adaptive biology and identifies gene expansions that contribute to its ability to detoxify eucalyptus-derived compounds and perceive plant secondary metabolites.

Fine-mapping of causal variants and integration of epigenetic and chromatin conformation data identify likely target genes for 150 breast cancer risk regions.

An implementation trial conducted across 60 schools in Rwanda found that CyberRwanda, a digital, school-based intervention, did not affect the primary outcomes of modern contraceptive use, childbearing and HIV testing among adolescents but was associated with higher contraceptive use among sexually active participants.

Multiancestry genome-wide association analyses identify new risk loci for stroke and stroke subtypes. Fine mapping and bioinformatics analyses of these risk loci point to mechanisms not previously implicated in stroke pathophysiology.

This study reports on excavations of hearths and stone artefacts from 20,000-year-old deposits at Dargan Shelter, which at an elevation of 1,073 m is believed to be the oldest occupied high-altitude site in Australia.

Attine ants, including the leaf-cutting ants, cultivate fungi as their sole source of food. Here, Nygaard et al. use whole genome and transcriptome sequences from seven ant species and their fungal cultivars to reconstruct the reciprocal genetic changes underlying the evolution of the ant-fungus mutualism.

Genome-wide association meta-analyses of attention-deficit/hyperactivity disorder symptom measures and clinical diagnoses identify new risk loci, highlight putative effector genes and yield improved polygenic risk scores.

Parity induces an accumulation of CD8⁺ T cells, including cells with a tissue-resident-memory-like phenotype within human normal breast tissue, offering long-term protection against triple-negative breast cancer.

Genome-wide data of 16 ancient human individuals from islands of the North Moluccas, Sulawesi and East Nusa Tenggara reveal diverse sources of admixture and support a scenario of multiple dispersals into Wallacea.

Little is known about the distribution, evolution and functions of the K1 capsule at a population level, despite the important role in the pathogenesis of E. coli; authors explore this through the utilisation of over 5,000 clinical isolates in population genomics studies and statistical modelling.

Weatherbee, Weberling, Gantner et al. find contrasting requirements for BMP in the anterior signalling centre and pre-implantation epiblast between mice and humans. They further find that NOTCH may be indispensable for human epiblast survival.

The history of human populations in the islands of the central and western Mediterranean is poorly understood. Here, the authors generate ancient-DNA data from the Balearic Islands, Sicily and Sardinia, and estimate the level and timing of steppe pastoralist, Iranian and North African ancestries in these populations.

In the final report of a phase 1 trial evaluating intracerebroventricular B7-H3-targeting CAR T cells in children and young adults with diffuse intrinsic pontine glioma, repeated intracranial infusions were feasible and well tolerated with a median overall survival of 19.8 months and 3 patients surviving over 40 months from diagnosis.

Chronic infection with SARS-CoV-2 leads to the emergence of viral variants that show reduced susceptibility to neutralizing antibodies in an immunosuppressed individual treated with convalescent plasma.

Sera from vaccinated individuals and some monoclonal antibodies show a modest reduction in neutralizing activity against the B.1.1.7 variant of SARS-CoV-2; but the E484K substitution leads to a considerable loss of neutralizing activity.

The African Genome Variation Project contains the whole-genome sequences of 320 individuals and dense genotypes on 1,481 individuals from sub-Saharan Africa; it enables the design and interpretation of genomic studies, with implications for finding disease loci and clues to human origins.

Similarities in cancers can be studied to interrogate their etiology. Here, the authors use genome-wide association study summary statistics from six cancer types based on 296,215 cases and 301,319 controls of European ancestry, showing that solid tumours arising from different tissues share a degree of common germline genetic basis.

Reliable detection of mutations below 0.5% variant allele frequency remains a key challenge for circulating tumor DNA sequencing assays.

Studying subtle signals of generosity is important to understand the long term maintenance of human cooperative networks. Certain types of low-cost food sharing among Martu women, for example, may signal commitment and cement cooperative ties.

This Consensus Statement presents the standards for technical reporting in environmental and host-associated microbiome studies (STREAMS) guidelines.

For many neurodevelopmental disorder (NDD) risk genes, the significance for mutational burden is unestablished. Here, the authors sequence 125 candidate NDD genes in over 16,000 NDD cases; case-control mutational burden analysis identifies 48 genes with a significant burden of severe ultra-rare mutations.

The ‘invariant rate of ageing’ hypothesis suggests that the rate of ageing tends to be constant within species. Here, Colchero et al. find support for the hypothesis across primates, including humans, suggesting biological constraints on the rate of ageing.

Nicotinamide phosphoribosyltransferase (NAMPT) catalyzes the rate determining step for NAD⁺ synthesis and is of interest as a drug target. Here the authors identify and characterize a small molecule NAMPT activator SBI-797812, elucidate its mode of action and show that it increases intracellular NMN and NAD⁺ levels in cultured cells and elevates liver NAD⁺ in mice.

A 3.6 Å resolution cryo-electron microscopy structure of the dimeric cytochrome b₆f complex from spinach reveals the structural basis for operation of the quinol cycle and its redox-sensing function.

Tropical tree and shrub microparticles uncovered from ancient human tooth plaque in Vanuatu show that early colonists were horticulturalists and foragers who adapted to and modified their environments depending on their local ecology and subsistence needs.

Neil Hunter and colleagues show that the HEI10 ubiquitin ligase regulates meiotic recombination by limiting the colocalization of RNF212 and MSH4-MSH5 to future crossover sites. At later stages, they find that HEI10 accumulates stably at designated crossover sites and facilitates clearance of RNF212 and MSH4-MSH5 complexes to promote the final steps of meiotic recombination.

Cancers with concomitant SMARCA4/2 deficiencies are often resistant to chemotherapies and confer a poor prognosis. Here, the authors identify a metabolic dependency of these tumours on glutamine as an energy source and, using multiple approaches, demonstrate the efficacy of therapeutically targeting this vulnerability.