What do you do when the world as you know it changes overnight? That’s what happened to scientists in Ukraine last year when Russian forces invaded. Amid the turmoil, Tulane physicists made a research pact with counterparts in Kharkiv studying solar energy. Days later, a missile strike destroyed their labs at Kharkiv Polytechnic Institute. Tulane physicist Denys Bondar explains what has happened since — and how the drive to make discoveries can keep people going, no matter the circumstances.