Nature is the world's leading journal of original scientific research, global news, and commentary. 
Access to this journal: www.nature.com

Science is the academic journal of the American Association for the Advancement of Science (AAAS) and is one of the world's top scientific journals. We have access to the following sections of Science journal: Science, Science signaling, Science Translational Medicine, Science Express, Science Classic.
Access to this journal: www.sciencemag.org