As much as this loss has sucked, the Big12 North is still possible for ISU.
ISU has to win out, beat CU, and MU. Finish 5-3.
MU has to win only 1 more, Lose to KSU & KU. Finish 5-3.
KSU has to win only 1 more, Beat MU and lose to CU. Finish 4-4.
Nebraska has to lose out, to KU, A&M, CU...