STScI . Delivery of Volatiles Organics Homepage . ... What is STScI . ... Staff Directory . ... Research Staff Directory . ... Colloquia . ... Youth for Astronomy and Engineering . ... Directory . ... Engineering Technology Colloquia . ... STScI Webcasts . ... The presence of water and other volatiles is critical to life as we know it, yet the origin and abundance of water on Earth remains an exciting and hotly debated question. ... Ted Bergin (Univ. ... Fred Ciesla (Univ. of Chicago) . ...