Vol. 29 No. 1 2017 (VOLUME 29 No. 1) The Academy's quarterly magazine. ISSN 222-7369. – Download PDF files of individual articles and/or entire issues. TWAS Newsletter Vol. 29 No. 1 PDF files of individual articles and/or entire issues. Download PDF [1] PDF of the entire issue PDF of the entire issue (5.01 Mb). Download PDF [2] Editorial: Signals of hope from Arab science Scientists and policymakers are advancing development in the Arab Region.