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Articles

Sub-Nanometer Curvature Unlocks Quantum Orbital Flexoelectricity in Graphene

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By Sathvik Ajay Iyengar, James McHugh, Jonathan P. Salvage
| Wiley Online Library Verified
1 Introduction Flexoelectricity, the coupling between strain gradients and polarization, can occur in all materials, including those with centrosymmetry and has long been recognized as a universal electromechanical phenomenon [1, 2]. In low-dimensional nanomaterials, where extreme compliance allows for localized curvature and large strain gradients, the magnitude and consequences of flexoelectricity are predicted to be particularly pronounced [3, 4].
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Octopus bimaculoides can learn to utilize a mirror to localize a reward outside the line of sight

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By Mary Kieseler, Marvin R. Maechler, Kelly Finn, Carl Harris, Jay Michael Vincelli, Zachary Hoffman, Navneet Dhanoa, Jean Fang, Scott Gies, James McHugh, Julia Valenti, Mira Ram, John Fitzgerald, Madison Augusto, David Edelman, Peter U. Tse
| Cell Press Verified
Keywords Octopus bimaculoides mirror use animal cognition comparative cognitive science spatial navigation convergent evolution octopus octopus cognition cephalopods cephalopod cognition Results To test if O. bimaculoides (henceforth octopuses) can learn to use mirror reflections to localize targets outside of their direct line of sight, we proceeded in three steps. First, three wild-caught octopuses were individually habituated to a mirror in the experiment tank (Figure 1B; STAR Methods).
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Atomic-resolution imaging of gold species at organic liquid-solid interfaces

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By Soraya Rabahi, Yi Yang, Gaorong Li, Sam Sullivan-Allsop, Nick Clark Verified, Wendong Wang, Rongsheng Cai, David Hopkinson, James McHugh, Ben Davies Verified, Samuel Pattisson, Nicholas F. Dummer, Rui Zhang, Matthew Lindley, Gareth R. Tainton, Jack Harrison, Hugo de Latour, Joseph Parker, William Thornley
| Science Magazine Verified
Editor’s summary Interactions between adsorbed gold atoms, a graphite support, and organic solvents have been revealed by atomic-resolution environmental transmission electron microscopy. Sullivan-Allsop et al. encapsulated patterned hexagonal boron nitride within thin graphite layers to create solvent wells with the same gold concentrations.
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