Most of the plastic products we use are made through injection molding, a process in which molten plastic is injected into a ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Discover the history and function of knuckle-busters, manual devices once essential for recording credit card transactions, and how they compare to modern solutions.