American Women in Science Mentoring Project
The AWIS Mentoring projects matches female undergraduate and graduate students with mentors through local AWIS chapters.

MentorNet
A mentoring site aimed at women and underrepresented minorities who are interested in science. You must register (for free), which gives you access to one-on-one mentoring. The site also offers resources, bibliographies, reading lists, and more.

The Mentor
This academic advising journal is offered as a free electronic journal published by Penn State.

American Physiological Society Mentoring site
The American Physiological Society maintains a list of articles aimed both at mentors and mentees in the sciences.