A database is the place to begin searching for articles in scholarly journals. You can select databases by subject, then find the appropriate database to begin finding articles about your topic. Below are databases designed specifically for the sciences.
Abstract and citation database of peer-reviewed literature including scientific journals, books, and conference proceedings. Covers science, technology, medicine, social sciences, and arts and humanities.
It contains over 19,500 titles from more than 5,000 publishers around the world, covering the fields of science, technology, medicine, social sciences, and arts and humanities. Scopus has 46 million records dating back to 1823, 72% of these containing references dating from 1996.