Web of Science has many articles about the sciences. It has many features to let you find exactly what you want. It is a good place for in-depth scientific research, though you may want to begin your research with Academic Search Premier.
Click this link to enter Web of Science.
When you first enter Web of science, you will see a search bar. Enter your search terms. Using the drop-down menu to tell Web of Science to only search article titles might make sure that you get more relevant results:
In the search results page you will notice a few things.
Also, notice that on the left side of the search results page there are many ways to limit your search results. For example, you can tell Web of Science to only display articles funded by the United States Department of Agriculture, or to only show articles published in certain journals or in certain countries, etc.