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Nanophysics Jun 14, 2023

Single-atom vacancies in atomically thin insulators created in ultra-high vacuum

Single photons have applications in quantum computation, information networks, and sensors, and these can be emitted by defects in the atomically thin insulator hexagonal boron nitride (hBN). Missing nitrogen atoms have been ...

Molecular & Computational biology Jun 8, 2023

Researchers find structures that enable rapid transmission of nerve impulses in insects

An animal's brain consists of two different types of cell: neurons, which process and transmit information, and glial cells, which support the neurons in a variety of ways. In 1871, the French anatomist Louis-Antoine Ranvier ...

Astronomy Jun 5, 2023

What are meteorites? I visit and study the craters they've left across our planet

Tens of thousands of asteroids—that we know of—are roaming our solar system. These are building blocks made up of metal, silicates, and ice left over from the beginning of time when the planets (Mercury, Venus, Earth, ...

Optics & Photonics May 31, 2023

Study demonstrates one of the world's fastest electron microscopes in action

Electron microscopes give us insight into the tiniest details of materials and can visualize, for example, the structure of solids, molecules or nanoparticles with atomic resolution. However, most materials in nature are ...

Nanophysics May 19, 2023

Topologically structured light detects the position of nano-objects with atomic resolution

Optical imaging and metrology techniques are key tools for research rooted in biology, medicine and nanotechnology. While these techniques have recently become increasingly advanced, the resolutions they achieve are still ...

Cell & Microbiology May 15, 2023

Novel AI-based software enables quick and reliable imaging of proteins in cells

Electron cryo-tomography (cryo-ET) is emerging as a powerful technique to provide detailed 3D images of cellular environments and enclosed biomolecules. However, one of the challenges of the methodology is the identification ...

Archaeology Apr 25, 2023

Fossilized soot and charcoal make it possible to reconstruct the history of the Nerja cave

A new study reveals that Nerja is the European cave containing Paleolithic Art with the most confirmed and recurrent visits during Prehistory

Bio & Medicine Apr 17, 2023

Correlative light electron microscopy using gold nanoparticles as single probes

Correlative light electron microscopy (CLEM) is a powerful tool in bioimaging, as it combines the ability to image living cells over large fields of view with molecular specificity using light microscopy (LM) with the high ...

Nanophysics Apr 12, 2023

Researchers image magnetic behavior at the smallest scales to date

Permanent magnets, the kind found on refrigerators everywhere, exist because their constituent atoms behave as miniature magnets. They align and combine to form the larger magnet in a phenomenon called ferromagnetism. There ...

Biochemistry Apr 11, 2023

Humic substances affect iron wheel-driven hydroxyl radical production in soil

Hydroxyl radical (·OH) is the most reactive oxidant and plays important roles in the biogeochemical cycle of elements and the attenuation of contaminants in the environment. In recent years, the redox reaction of iron in ...

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