Google Scholar is Google's search engine especially for academic journals. Some of the articles are freely available online. Others direct you to the publisher's website in order to sell you a copy of the article. Area residents can get copies of scholarly articles for the price of printing (5 cents/page) by calling (231-995-1540).
Open Access science journals from Elsevier.
The Directory of Open Access Journals is a collection of 10,000 open access journals covering all areas of science, technology, medicine, social science and humanities.
Photo credit: 401(K) 2012