Cosmic rays are high-speed particles created by supernova explosions and other space interactions, carrying elements that can ...

Alabama's relatively new nitrogen gas execution method could inflict a cruel amount of pain and suffering on a death row inmate who says he'd rather be killed by a firing squad, a federal appeals ...

In this useful Tools & Resources article, the authors describe a new cryogenic light microscopy design and characterize its temperature and spatial stability. This compelling system avoids the ...

Periodic table and periodic properties: ionization energy, electron affinity, electronegativity and atomic size. Structure and Bonding: Ionic and covalent bonding, MO and VB approaches for diatomic ...