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Eukaryotic algae and cyanobacteria can produce hydrogen in the presence of little or no oxygen. Here, the authors show that two microalgal strains are capable of producing hydrogen under aerobic conditions, and provide new insights into the natural evolution of oxygen-tolerant hydrogenase.

Medical plastic-appliance-based healthcare services, especially in dentistry, generate large amounts of plastic waste. Here, the authors address this issue by developing a medical-grade and sustainable bioplastic that is viscoelastic enough to align the tooth positions, resists microbial contamination, and exhibits recyclable life cycles.

Active control of light in optical fibres is of great interest, to this end, electric control of all-fibre graphene devices is desirable but highly challenging. Here, Lee et al. demonstrate electric control of the optical properties of a graphene sheet deposited on a side-polished fibre mediated by an ion liquid.

Even in patients who are initially sensitive, patients treated with platinum-based therapies often go on to relapse and have limited treatment options. Here, the authors report the efficacy and safety of a phase II trial investigating olaparib, pembrolizumab and bevacizumab as maintenance therapy in platinum-sensitive recurrent ovarian cancer.

The Pohang Accelerator Laboratory X-ray Free Electron Laser (PAL-XFEL) in South Korea has now entered operation with a timing jitter of just 20 fs.

In the phase 2 RENOBATE trial, the combination of regorafenib and nivolumab as first-line treatment for unresectable hepatocellular carcinoma exhibited a safe profile and met the primary endpoint with a 31% overall response rate.

Early detection of the protein marker troponin I can reduce the risk of death from heart attacks. A three-dimensional assay based on engineered viral nanoparticles and nickel nanohairs is six to seven orders of magnitude more sensitive than conventional assays.

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.

Therapies and vaccines for COVID-19, caused by the SARS-CoV-2 viral pandemic, are urgently needed. Here the authors establish and screen an antibody library from a convalescent COVID-19 patient to isolate a neutralizing antibody with the ability to reduce viral titer and alleviate symptoms in ferret, hamster, and rhesus monkey infection models.

Neutrophils are involved in both the initiation and resolution of cardiac inflammation post myocardial infarction (MI). Here, the authors show that intravenously injected nanoparticles can modulate cardiac neutrophils to inhibit inflammation and promote repair for MI therapy.

Most of the cell penetrating peptides can transport therapeutic agents across plasma membranes but barely across the blood-brain barrier. Here the authors develop a peptide that can enter the brain, and show that its fusion to immunomodulatory protein ctCTLA-4 is effective in a mouse model of multiple sclerosis.

Li-ion battery electrodes contain inactive materials, such as conducting agents and polymeric binders, which limit the energy density. Here, the authors demonstrate highly dense Ni-rich cathodes with improved volumetric capacities by coating graphene and minimizing the inactive components.

Targeted sequencing panels such as MSK-IMPACT have been successfully used to profile solid tumours in clinical settings. Here, the authors develop and implement the MSK-IMPACT Heme sequencing panel and platform to profile haematologic malignancies using paired tumor and normal tissues.

Brown macroalgae is a good candidate feedstock for biorefinery, but the major carbohydrate alginate cannot be digested by current industrial microbes. Here, the authors isolate Vibrio sp. dhg and engineer it to produce value-added biochemicals from alginate using newly developed genetic tools.

The inevitable forming process at high voltages and the low durability of α-C:O_x-based resistive memories limit their use in memory-centric computing systems. We demonstrated highly reliable forming-free Cu-doped α-C:O_x resistive memories via a hybrid conducting path consisting of conductive sp² covalent bonds and Cu filaments, significantly suggesting the advancements and feasibility of carbon-based electronic devices in memory-centric computing systems.

The culture of gastrointestinal organoids relies on Matrigel that has several drawbacks for clinical application. Here, the authors report the feasibility of gastrointestinal tissue-mimetic matrices as effective alternatives to Matrigel for organoid culture and transplantation.

The design of bioelectronic devices that enables accurate detection of biomolecules in ionic solutions at physiologically-relevant concentrations remains a challenge. Here, the authors report a ion-impermeable supported lipid bilayer-assisted field-effect transistor platform for biomolecule detection.

Mouse fibroblasts can be simultaneously directly reprogrammed into cardiomyocytes, endothelial cells and smooth muscle cells to form cardiac tissue structures that improve cardiac function on implantation into infarcted mouse hearts.

Designing multi-value logic transistors with stable and reliable intermediate states remains a challenge. Here, the authors report the mobility edge quantization phenomenon via resonant hybridization of ZnO QDs embedded in amorphous ZnO domains to enable adjustable multi-value intermediate states.

Myocardial infarction causes damage to the myocardium and vasculature. Here the authors show in a rat model of myocardial infarction that cardiomyocytes derived from human induced pluripotent stem cells combined with a human mesenchymal stem cell-loaded patch lead to improved cardiac function and promote vessel formation.

This study presents the assembly and analysis of the genome sequence of a female domestic Duroc pig and a comparison with the genomes of wild and domestic pigs from Europe and Asia; the results shed light on the evolutionary relationship between European and Asian wild boars.