The application is now open and can be accessed at 

https://ndseg.asee.org/apply.

This year's application will close at 5:00 PM EST on December 14, 2012. 

The NDSEG Fellowship is a highly competitive, portable award for U.S. citizens and nationals in the beginning stages of their overall graduate study who intend to pursue a doctoral degree a science, technology, engineering, and mathematics disciplines. NDSEG confers high honors upon its recipients and allows them to attend any accredited U.S. institution. NDSEG Fellowships last for up to three years (36 consecutive months) and provides full tuition and mandatory fee coverage, a monthly stipend, and a $1,000 per year medical health insurance allowance.

For other opportunities see:

http://scholarships.fatomei.com/college-graduate-scholarships.html