Josh Edge, Alaska Public Media

This is the incredible story of Trishna and Krishna, twin girls born joined at the head. Abandoned shortly after birth at an orphanage in Bangladesh, they had little chance of survival, until they were saved and taken to Australia by an aid worker. After two years battling for life, the twins are ready for a series of delicate operations, which will prepare them for the ultimate challenge: a marathon separation surgery that will allow them to live truly separate lives. Since the beginning, surgeons knew there was no guarantee of survival for either of the girls — but without surgery there was no hope at all. With exclusive access to this extraordinary human and medical drama, NOVA’s cameras have been with Trishna and Krishna and their caregivers at each moment of their journey. KAKM: Wednesday, 2/8 @ 8:00pm

In 1961, segregation seemed to have an overwhelming grip on American society. Many states violently enforced the policy, while the federal government, under the Kennedy administration, remained indifferent, preoccupied with matters abroad. That is, until an integrated band of college students — many of whom were the first in their families to attend a university — decided, en masse, to risk everything and buy a ticket on a Greyhound bus bound for the Deep South. They called themselves the Freedom Riders, and they managed to bring the president and the entire American public face-to-face with the challenge of correcting civil-rights inequities that plagued the nation. KAKM: Tuesday, 2/7 @7:00pm