Nitrogen fingerprint in biomolecules could be from early sun
San Diego CA (SPX) Oct 01, 2014 - Chemical fingerprints of the element nitrogen vary by extremes in materials from the molecules of life to the solar wind to interstellar dust. Ideas for how this great variety came about have included alien molecules shuttled in by icy comets from beyond our solar system and complex chemical scenarios. New experiments using a powerful source of ultraviolet light have shown that no extra-so ... more
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