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Warmer and more arid conditions are triggering forest die-off and mortality events worldwide, but how are the droughts’ characteristics leading to tree death? This study shows that tree-killing droughts are longer and more intense in dry versus wet biomes, while mortality-inducing droughts are higher in intensity in angiosperm-dominated forests.

Clarke et al. presents a framework for spatial analysis of the metabolome, lipidome, and glycome from a single tissue section using mass spectrometry imaging. Applying this approach, they revealed region-specific metabolic diversity and dysregulation in both normal and diseased mouse brains.

The taurine–taurine transporter axis is a critical dependency of aggressive myeloid leukaemias.

An analysis of 24,202 critical cases of COVID-19 identifies potentially druggable targets in inflammatory signalling (JAK1), monocyte–macrophage activation and endothelial permeability (PDE4A), immunometabolism (SLC2A5 and AK5), and host factors required for viral entry and replication (TMPRSS2 and RAB2A).

This study presents MetaVision3D, a pipeline to integrate mass spectrometry imaging sections into 3D reconstructions of metabolomic maps. The authors also provide a comprehensive 3D metabolome atlas of the brains of healthy mice and two disease models.

Satellite data show declining global forest recovery from tree mortality since the 1990s, driven by warming and water scarcity. Canopy water recovers slower than greenness, stressing the need for a multifaceted approach to assessing recovery.

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.

Citizen science taps the efforts of non-experts. Here, authors describe Drugit, an extension of the crowdsourcing game Foldit, and its use in designing a non-peptide binder of Von Hippel Lindau E3 ligase for use with proteolysis targeting chimeras.

Data collected from more than 2,000 taxa provide an unparalleled opportunity to quantify how extreme wildfires affect biodiversity, revealing that the largest effects on plants and animals were in areas with frequent or recent past fires and within extensively burnt areas.

A global network of researchers was formed to investigate the role of human genetics in SARS-CoV-2 infection and COVID-19 severity; this paper reports 13 genome-wide significant loci and potentially actionable mechanisms in response to infection.

The Human Microbiome Project Consortium has established a population-scale framework to study a variety of microbial communities that exist throughout the human body, enabling the generation of a range of quality-controlled data as well as community resources.

Little is known about von Economo neurons, which have been described in a subset of mammals and appear to be selectively lost in several human neurological diseases. Here, authors reveal the gene expression profile of these cells and show that they are likely long-distance projection neurons.

A global multi-taxon extinction risk assessment of freshwater fauna for The IUCN Red List of Threatened Species finds one-quarter of species to be at high risk of extinction.

Whole-genome sequencing, transcriptome-wide association and fine-mapping analyses in over 7,000 individuals with critical COVID-19 are used to identify 16 independent variants that are associated with severe illness in COVID-19.

RNA-sequencing analysis of cells in the human cortex enabled identification of diverse cell types, revealing well-conserved architecture and homologous cell types as well as extensive differences when compared with datasets covering the analogous region of the mouse brain.

Highly mobile taxa, like birds, occupy ecosystems that lack fixed boundaries, and tracking how these spatial regimes respond to environmental change is difficult. Avian route data show the spatial regimes of Great Plains bird communities have shifted poleward and reorganized over the past 46 years.

Mineral-associated soil carbon buildup is poorly explained by microbial necromass production (a common hypothesis). During litter decomposition, these processes are decoupled by priming effects and alternate soil carbon formation pathways

This study reports the computational design of miniprotein binders of the pattern recognition receptor TLR3. When oligomerized, the miniprotein binders induce TLR3 signaling in cells, suggesting they may be useful components of vaccines or treatments for infectious disease or cancer.

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.

Meta-analysis of genome-wide association studies on Alzheimer’s disease and related dementias identifies new loci and enables generation of a new genetic risk score associated with the risk of future Alzheimer’s disease and dementia.

Incidence of food allergy in westernized populations is associated with low abundance of Prevotella. Here, the authors analyse the microbiome of a mother-infant prebirth cohort and find that maternal carriage, but not infant carriage, of P. copri during pregnancy predicts the absence of food allergy in the offspring.

In this study, the authors developed an ultra-long-acting injectable, biodegradable, and removable in-situ forming implant delivering cabotegravir (CAB ISFI). CAB ISFI was well tolerated and protected against multiple rectal SHIV challenges in female macaques.

An examination of motor cortex in humans, marmosets and mice reveals a generally conserved cellular makeup that is likely to extend to many mammalian species, but also differences in gene expression, DNA methylation and chromatin state that lead to species-dependent specializations.

The frequency of severe droughts is increasing in many regions around the world as a result of climate change. An analysis of tree growth and mortality data from forests worldwide suggests that large trees fare worse under drought than small trees.

Observation of glioblastoma invasion in subcortical brain regions is challenging. Here the authors develop a Deep3P workflow to enable longitudinal deep imaging of glioblastoma and its microenvironment by combining three-photon microscopy and deep learning-based analysis, unraveling the invasion routes of these tumor cells into and within the white matter.

Large genome-wide meta-analysis of clinically diagnosed late-onset Alzheimer’s disease (LOAD) from 94,437 individuals identifies new LOAD risk loci and implicates Aβ formation, tau protein binding, immune response and lipid metabolism.

A genome-wide association meta-analysis study of blood lipid levels in roughly 1.6 million individuals demonstrates the gain of power attained when diverse ancestries are included to improve fine-mapping and polygenic score generation, with gains in locus discovery related to sample size.

Algae hold great promise for biofuel and chemical production but their use as model systems is hampered by the absence of suitable genetic tools. Here Karas et al. present a nuclear episomal vector for diatoms that is maintained in the absence of antibiotics, and a plasmid delivery method via conjugation with E. coli.

Some antiseizure medications including valporate are associated with neurodevelopmental conditions in children exposed in utero but evidence is less clear for other drugs. Here the authors investigate associations between antiseizure medication use in pregnancy and neurodevelopmental conditions using electronic health record data from the UK and Sweden.

Using newly derived genome sequences of 137 marine microbial isolates as well as previously obtained genome and metagenome data, this study presents a functional analysis of picoplankton residing in the ocean's surface layer.