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Search results for scanning electron microscopy

Nanophysics Jun 13, 2025

Simple solution yields ultra-thin tin sulfide sheets for next-generation electronics

A team of researchers from Tohoku University, National Institutes for Quantum Science and Technology (QST), and Cambridge University have demonstrated a new way to make a unique material called tin sulfide (SnS), which can ...

Nanomaterials Jun 13, 2025

New approach reversibly configures single and heteronuclear dual-atom catalysts on MoSâ‚‚ substrate

Single-atom catalysts (SACs) are materials consisting of individual metal atoms dispersed on a substrate (i.e., supporting surface). Recent studies have highlighted the promise of these catalysts for the efficient conversion ...

Planetary Sciences Jun 11, 2025

Why the moon shimmers with shiny glass beads

The Apollo astronauts didn't know what they'd find when they explored the surface of the moon, but they certainly didn't expect to see drifts of tiny, bright orange glass beads glistening among the otherwise monochrome piles ...

Archaeology Jun 11, 2025

Oldest known human fingerprint discovered on ancient Neanderthal artwork

A unique archaeological find has recently expanded our knowledge of Neanderthals' capacity for symbolic thought. The object in question is a granite stone, on which a red ochre dot was deliberately applied to reinforce the ...

Nanomaterials Jun 4, 2025

Revealing hidden transformations in 2D materials with atomic force microscopes

Researchers at the Institute of Âé¶¹ÒùÔºics in Zagreb, Croatia, in collaboration with international partners, have showcased new methods for visualizing atomic-scale changes in advanced materials.

Evolution May 30, 2025

Dinosaur eggshell study confirms biogenic origin of secondary eggshell units

The calcitic layers of the eggshells of archosaurs (including crocodilians and birds) and turtles are composed of distinctive crystalline structures known as eggshell units. Those growing from the shell membrane are called ...

Molecular & Computational biology May 29, 2025

Dinosaurs could hold key to cancer discoveries: Study highlights importance of preserving fossilized soft tissues

New techniques used to analyze soft tissue in dinosaur fossils may hold the key to new cancer discoveries, according to a study published in the journal Biology.

Evolution May 28, 2025

'Living fossil' velvet worm species discovered in South Africa's arid Karoo region

In March 2022, Stellenbosch University (SU) student Rohan Barnard was out on a farm in the Swartberg Mountains between Calitzdorp and Oudtshoorn, flipping over rocks looking for ants, reptiles and other critters, when he ...

Archaeology May 28, 2025

A red dot, a 43,000 year old fingerprint, and a stone out of place—potential evidence of Neanderthal pareidolia

In the depths of the San Lázaro rock-shelter in Segovia, Central Spain, archaeologists from the Complutense University of Madrid and collaborators have uncovered a compelling trace of Neanderthal symbolic cognition: a pigment-marked ...

Evolution May 27, 2025

Mangrove crabs use optical geometry to enhance conspecific signaling

In the tangled darkness of Southeast Asian mangrove forests, one crab species appears to have evolved a structure that functions like a miniature car headlamp. Researchers at the National University of Singapore have discovered ...

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