Fulbright (all fields, most countries)--  http://us.fulbrightonline.org/
Rhodes Scholarship (age limit 24)-- http://www.rhodesscholar.org/
Marshall Scholarship--  http://www.marshallscholarship.org/
Gates Cambridge Scholarship--  http://www.gatescambridge.org/
Mitchell Scholarship-- http://www.usirelandalliance.org/content/3/en/George%20Mitchell%20Scholarship%20Program%20%7C%20US-Ireland%20Alliance.html

Churchill Scholarship (to do one-year master’s degree at Cambridge University in a STEM area) -- http://www.winstonchurchillfoundation.org/scholarship.html

Due Sept. 1

Christine Mirzayan Science & Technology Policy Graduate Fellowship 

http://sites.nationalacademies.org/PGA/policyfellows/index.htm

The online application is available at http://sites.nationalacademies.org/PGA/policyfellows/index.htm

Due Sept. 24

Department of Energy  (DOE) Science Graduate Student Research (SCGSR) Program

http://science.energy.gov/wdts/scgsr/how-to-apply/

http://energy.gov/scholarships-and-fellowships

Priority areas:

http://science.energy.gov/wdts/scgsr/how-to-apply/priority-sc-research-areas/