Where are you getting your information? Here's what I pulled from the Programs page at the MIT Department of Biological Engineering (http://web.mit.edu/be/programs/grad_application.shtml):
"We require interviews of our applicants during our Interview Weekend March 8 & 9, 2013. Interviews are by invitation only; notification of selection takes place in mid/late February and will be posted on your online account. An invitation to interview thus signals that your application has reached an advanced stage of consideration, but does not guarantee admission. Candidates will be notified of interview selection until the end of March. In some cases where international travel can be problematic, faculty telephone interviews will be arranged with international applicants."
Based on that information, it would be suprising if any decisions have been made. Can you say how the admission decision was received? I have checked my online account and can see no indication of a field, link, or section where the decisions may be posted.
