ScienceDirect

Full text articles and eBooks in physical, life, cognitive, and social sciences as well as engineering.
Includes ScienceDirect journal archives 1823-1994 and Science Direct Freedom Collection, 1995 – present. Includes thousands of e-books with broad and favorable rights for scientific, scholarly and educational uses. Subjects include life, health and physical sciences, social sciences, and the humanities. 

Scopus

Scopus uniquely combines a comprehensive, expertly curated abstract and citation database with enriched data and linked scholarly literature across a wide variety of disciplines.

Scopus quickly finds relevant and authoritative research, identifies experts and provides access to reliable data, metrics and analytical tools. Be confident in progressing research, teaching or research direction and priorities — all from one database.