NSF Research Experiences for Undergraduates: http://www.nsf.gov/crssprgm/reu/reu_search.cfm
NIH Summer Internship Programs: http://www.training.nih.gov/student/sip/
GREAT Group Summer Undergraduate/Graduate Research Programs for Biomedical Students: http://www.aamc.org/members/great/summerlinks.htm
Search Pathways Undergraduate/Graduate/Postdoc Research Summer Opportunities: http://www.pathwaystoscience.org/summerresearch.asp
If you are interested in looking for a summer research experience/program, please contact Jodi Lehman (jglehman@mtu.edu)