Mao-Chang Liang, Academia Sinica, Taipei, Taiwan, Amzad Hussain Laskar, Institute for Marine and Atmospheric Research Utrecht, Utrecht, Netherlands, Eugeni Barkan, Hebrew University of Jerusalem, The Fredy & Nadine Herrmann Institute of Earth Sciences, Jerusalem, Israel, Sally Newman, Caltech, Pasadena, CA, United States, Mark H Thiemens, University of California San Diego, Department of Chemistry and Biochemistry, La Jolla, CA, United States and Ravi Rangarajan, St. John's Research Institute, Bangalore, India