Material Science

982 Supertwisted spirals of layered materials enabled by growth on non-Euclidean surfaces.
https://science.sciencemag.org/content/370/6515/442

981 Metasurface-driven OLED displays beyond 10,000 pixels per inch.
https://science.sciencemag.org/content/370/6515/459

980 Toughening mechanisms of the elytra of the diabolical ironclad beetle.
https://www.nature.com/articles/s41586-020-2813-8

979 Hydrogels achieve low friction and wear by including lipids that migrate toward the surface to form a boundary layer.
https://science.sciencemag.org/content/370/6514/335

978 A high-performance solid-state electrocaloric cooling system.
https://science.sciencemag.org/content/370/6512/129

977 Concentric liquid reactors for chemical synthesis and separation.
https://www.nature.com/articles/s41586-020-2768-9

976 Liquid harvesting and transport on multiscaled curvatures.
https://www.pnas.org/content/117/38/23436

975 Mechanical design of the highly porous cuttlebone: A bioceramic hard buoyancy tank for cuttlefish.
https://www.pnas.org/content/117/38/23450

974 A Machine‐Fabricated 3D Honeycomb‐Structured Flame‐Retardant Triboelectric Fabric for Fire Escape and Rescue.
https://onlinelibrary.wiley.com/doi/10.1002/adma.202003897

973 The atomic-scale structure of hafnium oxide explains ferroelectric properties for very thin films.
https://science.sciencemag.org/content/369/6509/1343

972 Copper-bottomed: electrochemically active bacteria exploit conductive sulphide networks for enhanced electrogeneity.
https://pubs.rsc.org/en/content/articlelanding/2020/EE/D0EE01281E#!divAbstract

971 A multifunctional self-powered sensor is developed for pressure, temperature, and material sensing.
https://advances.sciencemag.org/content/6/34/eabb9083

970 A direct ink writing protocol for silica aerogels enables 3D printing of lightweight, miniaturized objects with complex shapes, with the possibility to easily add functionality by incorporating nanoparticles.
https://www.nature.com/articles/s41586-020-2594-0

969 A superconducting diode that has zero resistance in only one direction is realized in an artificially engineered superlattice without inversion symmetry, enabling directional charge transport without energy loss.
https://www.nature.com/articles/s41586-020-2590-4

968 How hair deforms steel.
https://science.sciencemag.org/content/369/6504/689

967 Fiber‐Reinforced Viscoelastomers Show Extraordinary Crack Resistance That Exceeds Metals.
https://onlinelibrary.wiley.com/doi/10.1002/adma.201907180

966 Thermomechanical Nanocutting of 2D Materials.
https://onlinelibrary.wiley.com/doi/10.1002/adma.202001232

965 High‐Performance and Reliable Lead‐Free Layered‐Perovskite Transistors.
https://onlinelibrary.wiley.com/doi/10.1002/adma.202002717

964 Viburnum tinus Fruits Use Lipids to Produce Metallic Blue Structural Color.
https://www.cell.com/current-biology/fulltext/S0960-9822(20)30995-7

963 Tillandsia‐inspired Hygroscopic Photothermal Organogels for Efficient Atmospheric Water Harvesting.
https://onlinelibrary.wiley.com/doi/abs/10.1002/anie.202007885

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