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One-dimensional boundaries in lateral heterostructures of two-dimensional materials are expected to have interesting properties. Park et al.probe the electronic properties of the graphene/hexagonal-boron-nitride interface, revealing the spatial and energetic distributions of one-dimensional boundary states.

A key step in the on-surface synthesis of graphene nanoribbons is thermal annealing of polymer precursors on a metal substrate. Here, Maet al. decouple the cyclodehydrogenation reaction from the catalytic metal substrate and grow graphene nanoribbons by injecting charges at molecular sites.

A synthetic ligand-responsive condensate approach enables inducible condensate recruitment to different cellular compartments for spatiotemporal control of gene expression and gene product release.

A metastable pentagonal PdTe₂ monolayer has been synthesized through symmetry-driven epitaxy, utilizing lattice matching with a Pd(100) substrate. The lattices, phonons and electronic structures of this phase have been studied.

Xuejun Zhang and colleagues report a genome-wide association and replication studies for psoriasis, conducted in Chinese populations. They confirm previous associations in MHC and IL12B to psoriasis susceptibility, and report a new association within the LCE gene cluster at 1q21.

Bis(N-heterocyclic carbene)-borylene complexes are capable of capturing and functionalizing CO₂, but stable single-site-boron-carbon dioxide adducts are rarely reported. Here, the authors report the synthesis of a stable borylene-CO₂ complex as well as the functionalization of the captured CO₂.

A combination of atomistic imaging and spectroscopy reveals that metal substitution into a sulfur vacancy is the underlying mechanism for resistive switching in transition metal dichalcogenide monolayers.

2D Weyl semimetals are spin-polarized analogues of graphene that promise access to various topological properties of matter. Here, the authors evidence spin-polarized Weyl cones, Weyl nodes, and Fermi strings in monolayer bismuthene.

Fluorine-bearing precursors offer new opportunities for the on-surface synthesis of graphene nanoribbons, but the growth conditions are critical for achieving optimal results. Here, the authors investigate the deposition temperature-mediated growth of helically shaped polymers and graphene nanoribbons on Au(111) from an internally fluorinated precursor.

Xue-Jun Zhang and colleagues report genome-wide association analyses identifying six new susceptibility loci in the Chinese population.

One-dimensional metals are predicted to exhibit charge-order fluctuations and become insulators at low temperature. Experiments on silicide nanowires grown on silicon reveal that fluctuations in the narrowest wires determine the electronic properties, and can be exploited in nanoelectronic devices.

Single-crystal 2D metals are stabilized at the interface between epitaxial graphene and silicon carbide, with strong internal gradients in bonding character. The confined 2D metals demonstrate compelling superconducting properties.

Understanding water transport through nanochannels is central to biology, separations and clean water. Here, the authors show transport of water vapor through Angstrom-scale pores (~2.8–6.6 Å in diameter) in atomically thin graphene membranes is orders of magnitude faster than liquid water, due to permeation occurring in different flow regimes.

Self-assembled PbSe quantum dot (QD) superlattices are a class of materials that promises novel mesoscale electronic properties due to electronic coupling between individual QDs. Here, the authors reveal distinct electronic states manifested by the quantum confinement of charge carriers in epitaxially formed necking between QDs.

Xuejun Zhang and colleagues report results of a genome-wide association study of systemic lupus erythematosus (SLE) in a Chinese Han population. Their work identifies nine new SLE susceptibility loci and reveals overlap in the spectrum of risk alleles shared between Chinese Han and European populations.

The genome of the wild grass Brachypodium distachyon (Brachypodium), a member of the Pooideae subfamily, is sequenced. The Pooideae are one of three subfamilies of grasses that provide the bulk of human nutrition and may become major sources of renewable energy. Availability of the genome sequence should help establish Brachypodium as a model for developing new energy and food crops.

Nanoribbons of graphene grown on electronics-grade silicon carbide conduct electrons much better than expected; at room temperature, the charge carriers travel through the nanoribbons without scattering for a surprisingly long distance, more than ten micrometres.

Graphene nanoribbons are an emerging class of 1D materials hosting rich quantum-confined and topological states. This Perspective discusses recent breakthroughs in graphene nanoribbon materials and devices, and identifies key challenges towards electronics and quantum information applications.

MnBi_2-xSb_xTe₄ is a promising host for exotic quantum phenomena but its electronic properties crucially depend on intrinsic disorder, which is difficult to quantify. Here, the roles of nanoscale defects in MnBi_2-xSb_xTe₄ are disentangled by statistical analysis using scanning tunnelling microscopy and spectroscopy.

Han Zhang et al. report molecular dynamics simulations and mutational analysis of a key process of the E. coli glycine cleavage system, an important enzyme complex in C1 metabolism. They identify a key amino acid residue controlling the release of the swinging aminomethyl lipoate arm and increase the overall reaction rate of glycine cleavage by more than twice, providing a strategy for manipulating this reaction system for use in synthetic biology.