IN a theory put forward in these columns in March last 1, it was suggested that the molecule of simple native protein may contain closed polypeptides: that the polypeptides, open or closed, fall ...
In the water molecule, the oxygen and hydrogen atoms share electrons in covalent bonds. There are a total of 10 protons and 10 electrons, so the water molecule is neutral. The electron cloud model ...
Researchers at the Beckman Institute for Advanced Science and Technology at the University of Illinois Urbana-Champaign discovered a new type of palladium hydride nanoparticle by adding electrons to ...