Key To Life Before Its Origin On Earth May Have Been DiscoveredFragment of the Murchison meteorite (at right) and isolated individual particles (shown in the test tube). (Credit: DOE/Argonne National Laboratory) ScienceDaily (Feb. 29, 2008) — An important discovery has been made with respect to the mystery of "handedness" in biomolecules. Researchers led by Sandra Pizzarello, a research professor at Arizona State University, found that some of the possible abiotic precursors to the origin of life on Earth have been shown to carry "handedness" in a larger number than previously thought. Pizzarello, in ASU's Department of Chemistry and Biochemistry, worked...