The ghost in Orion's shell: Hydrogen maps show repeated stellar feedback sculpted around Orion Nebula

An international team led by Juan Diego Soler at the University of Vienna used two of the world's most powerful radio ...

Atomic-level engineering of Cu nanoclusters improves conversion of CO₂ to fuel

Researchers at Tohoku University have discovered a promising strategy that converts harmful carbon dioxide into valuable ...
Frontiers

Using intermediate energy knockout, pickup, and charge exchange reactions with invariant mass spectroscopy for investigating nuclear structure beyond the proton drip line

The continuum structure of light p-rich elements has been extensively studied in recent years by invariant-mass spectroscopy. The feeble Coulomb barrier for light proton-rich nuclei makes proton decay ...
IFLScience

Why Is Mercury Liquid At Room Temperature And Other Metals Aren’t?

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...
PNAS

Polyvalent s-block elements: A missing link challenges the periodic law of chemistry for the heavy elements

Edited by Markus Reiher, Swiss Federal Institute of Technology, Zurich, Switzerland; received March 14, 2023; accepted September 6, 2023 by Editorial Board Member Shaul Mukamel ...
Science News

How rare earth elements’ hidden properties make modern technology possible

In Frank Herbert’s space opera Dune, a precious natural substance called spice melange grants people the ability to navigate vast expanses of the cosmos to build an intergalactic civilization. In real ...
C&EN

Interplay of Open-Shell Spin-Coupling and Jahn–Teller Distortion in Benzene Radical Cation Probed by X-ray Spectroscopy

DTU Chemistry - Department of Chemistry, Technical University of Denmark, DK-2800, Kongens Lyngby, Denmark Department of Chemistry, University of California, Berkeley, California 94720, United States ...
Hacker

Calling Shell Commands from Python: OS.system vs Subprocess

If you are a Python programmer, it is quite likely that you have experience in shell scripting. It is not uncommon to face a task that seems trivial to solve with a shell command. Therefore, it is ...
Europe PMC

Inner-shell photoionization and core-hole decay of Xe and XeF2.

Photoionization cross sections and partial ion yields of Xe and XeF2 from Xe 3d(5/2), Xe 3d(3/2), and F 1s subshells in the 660-740 eV range are compared to explore effects of the F ligands. The Xe 3d ...
PNAS

Hund’s rule in superatoms with transition metal impurities

The quantum states in metal clusters bunch into supershells with associated orbitals having shapes resembling those in atoms, giving rise to the concept that selected clusters could mimic the ...
Nature

Lattice-strain control of the activity in dealloyed core–shell fuel cell catalysts

Electrocatalysis will play a key role in future energy conversion and storage technologies, such as water electrolysers, fuel cells and metal–air batteries. Molecular interactions between chemical ...