Ein Leitartikel von Thomas Vranken und Tom Kinzel In a world where geopolitical tensions are rising and nationalistic rhetoric is increasingly gaining ground, the scientific community must stand firm as a beacon of unity and collaboration. Science, by its very nature, knows no borders. The challenges we face today, from climate change and the urgent need for a sustainable energy transition to resource scarcity and health crises, are fundamentally global. They cannot be solved in isolation behind closed national borders. Now, more than ever, international scientific collaboration is not just a strategic advantage; it is a necessity for continu...