Publish or perish in the ivory tower of learning outcomes.
A DNA sequence that basically tells RNA polymerase to shut up and go home—the molecular equivalent of a bouncer. When this bad boy shows up, transcription stops cold and your mRNA transcript gets the axe.
The dramatic landscape equivalent of knowing exactly where every wrinkle is on an old map—the precise description of all the bumpy bits, flat bits, and 'why did we hike up here?' bits that make up terrain. Cartographers and generals love it; hikers curse it.