A year after undermining Bredt's rule, scientists make cage-shaped, double-bonded molecules that defy expectations

Organic chemistry is packed with rules about structure and reactivity, especially when it comes to making and breaking ...
Stars and Stripes

Congress gets first internal analysis of proposed Trump-class battleship

Donald Trump arrives for a press conference at his Mar-a-Lago club in Palm Beach, Florida, on Dec. 22, 2025, where he ...
Purdue University

Academic Calendars for West Lafayette, Indianapolis, and Polytechnic Statewide Campuses

Please note that these calendars are subject to change without notice. If you have any questions or concerns, please contact the Office of the Registrar. For past Academic Calendars, please send an ...