Cloud radiative effect dominates variabilities of surface energy budget in the dark Arctic.

Climate models simulate a wide range of temperatures in the Arctic. Here we investigate one of the main drivers of changes in surface temperature: the net surface heat flux in the models. We show that in the winter months of the dark Arctic, there is a more than two-fold difference in the net surface heat fluxes among the models, and this difference is dominated by the downward infrared radiation from clouds.

Highly bright perovskite light-emitting diodes enabled by retarded Auger recombination.

One of the key advantages of perovskite light-emitting diodes (PeLEDs) is their potential to achieve high performance at much higher current densities compared to conventional solution-processed emitters. However, state-of-the-art PeLEDs have not yet reached this potential, often suffering from severe current-efficiency roll-off under intensive electrical excitations. Here, we demonstrate bright PeLEDs, with a peak radiance of 2409 W sr m and negligible current-efficiency roll-off, maintaining high external quantum efficiency over 20% even at current densities as high as 2270 mA cm.

Biomechanical effects of human-mobility aid interaction: A narrative review.

Background: The clinical benefits and widespread use of traditional mobility aids (such as canes, walking frames, wheeled walkers, etc.) have been hampered by improper use, fear of falling, and social stigma. Clarifying the biomechanical impacts of using mobility aids on users is fundamental to optimizing rehabilitation programs.

Stress Relaxation for Lead Iodide Nucleation in Efficient Perovskite Solar Cells.

Porous lead iodide (PbI) film is crucial for the complete reaction between PbI and ammonium salts in sequential-deposition technology so as to achieve high crystallinity perovskite film. Herein, it is found that the tensile stress in tin (IV) oxide (SnO) electron transport layer (ETL) is a key factor influencing the morphology and crystallization of PbI films. Focusing on this, lithium trifluoromethanesulfonate (LiOTf) is used as an interfacial modifier in the SnO/PbI interface to decrease the tensile stress to reduce the necessary critical Gibbs free energy for PbI nuclei formation.

Targeting SRSF1 improves cancer immunotherapy by dually acting on CD8T and tumor cells.

Serine arginine-rich splicing factor 1 (SRSF1) is a key oncogenic splicing factor in various cancers, promoting abnormal gene expression through post-translational regulation. Although the protumoral function of SRSF1 is well-established, the effects of inhibiting tumor-intrinsic SRSF1 on the tumor microenvironment and its impact on CD8 T cell-mediated antitumor immunity remain unclear. Our findings indicate that depleting SRSF1 in CD8 T cells improve antitumor immune function, glycolytic metabolism, and the efficacy of adoptive T cell therapy.