image credit: A. Mugarza, C. Krull, S. Stepanow, G. Ceballos, and P. Gambardella, CIN2; image source; larger image
Electronic Handedness in Copper-Silver Combo
Notice how the two images above have opposite handedness? These images show electronic properties of a small layer of copper on top of silver, but neither silver nor copper have any handedness themselves. To learn more, visit this American Physical Society webpage.
(This feature was updated on September 21, 2013.)
Both amino acid molecules (the building blocks of proteins) and sugars can be right- or left-handed, and the way they react chemically depends on their handedness. To find out how handedness is important in our diet, and in drugs, visit Molecular Chirality.