The binding and release of a single atom (calcium, shown in light blue) to a bacterial protein is necessary for microbial walking and infection. Credit: Michael D.L. Johnson ...

Crystal structure of clathrate calcium hydride. The smaller spheres are hydrogen, which surround the central calcium atom like a cage. Credit: Photograph by courtesy of Hui Wang ...

Calcium ions are presented in rocks, bones, shells, biominerals, geological deposits, ocean sediments, and many other important materials. Calcium ions also play major roles in the retention of ...

National 4; Atomic structure and properties relating to bonding Compounds. What is an atom? Well, everything is made of atoms! Atoms themselves are made of smaller particles.

Researchers at the University of North Carolina at Chapel Hill have discovered that a single atom -- a calcium, in fact -- can control how bacteria walk. The finding identifies a key step in the ...

By smashing beams of nuclei together at high speeds, researchers have discovered that when a calcium atom has 34 neutrons in its nucleus, things stay pretty quiet—at least for a few milliseconds.

A calcium atom, and its electron configuration. Electrons can fall into many different shells, and can move between them at times. This is the basic heat transfer mechanism of the engine, and ...