Material Science

905 The precision imprinted wood may open new possibilities toward environmentally friendly devices and applications in optics, biology, electronics, etc.
https://onlinelibrary.wiley.com/doi/abs/10.1002/adma.201903270

904 Dynamics of wrinkling in ultrathin elastic sheets.
https://www.pnas.org/content/116/42/20875

903 Waterproof molecular monolayers stabilize 2D materials.
https://www.pnas.org/content/116/42/20844

902 Little-Parks oscillations in rings of polycrystalline β-Bi2Pd suggest unconventional superconductivity.
https://science.sciencemag.org/content/366/6462/238

901 Torsional refrigeration by twisted, coiled, and supercoiled fibers.
https://science.sciencemag.org/content/366/6462/216

900 An inexpensive tin-and-sulfur–based material has attractive thermoelectric properties.
https://science.sciencemag.org/content/365/6460/1418

899 An alloying-dealloying reaction with metals such as bismuth produced tetrahexahedral transition-metal nanoparticles.
https://science.sciencemag.org/content/365/6458/1159

898 Role of indentation depth and contact area on human perception of softness for haptic interfaces.
https://advances.sciencemag.org/content/5/8/eaaw8845

897 Mosquito bite prevention through graphene barrier layers.
https://www.pnas.org/content/116/37/18304

896 A scanning tunneling microscope tip can fold and roll graphene nanosheets along predetermined directions.
https://science.sciencemag.org/content/365/6457/1036

895 The limitations of conventional chemical doping of polymeric semiconductors can be overcome by adding a second ionic species into the system, leading to enhanced doping, electrical conductivity and stability.
https://www.nature.com/articles/s41586-019-1504-9

894 Superconductivity is demonstrated in an infinite-layer nickelate similar to infinite-layer copper oxides, which is synthesized using soft- chemistry topotactic reduction of the perovskite precursor phase.
https://www.nature.com/articles/s41586-019-1496-5

893 Modern microprocessor built from complementary carbon nanotube transistors.
https://www.nature.com/articles/s41586-019-1493-8

892 3D Printing for Electrocatalytic Applications.
https://www.cell.com/joule/fulltext/S2542-4351(19)30298-3

891 Bioinspired Adhesive Architectures: From Skin Patch to Integrated Bioelectronics.
https://onlinelibrary.wiley.com/doi/10.1002/adma.201803309

890 Stability of Quantum Dots, Quantum Dot Films, and Quantum Dot Light‐Emitting Diodes for Display Applications.
https://onlinelibrary.wiley.com/doi/10.1002/adma.201804294

889 Structurally Controlled Cellular Architectures for High‐Performance Ultra‐Lightweight Materials.
https://onlinelibrary.wiley.com/doi/abs/10.1002/adma.201803670

888 Ultrafast lasers can weld certain ceramics at room temperature.
https://science.sciencemag.org/content/365/6455/803

887 High performance from extraordinarily thick organic light-emitting diodes.
https://www.nature.com/articles/s41586-019-1435-5

886 Reducing the metabolic rate of walking and running with a versatile, portable exosuit.
https://science.sciencemag.org/content/365/6454/668

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