Paying invoices sounds simple enough. A vendor creates an invoice and sends a bill, your team approves it, and the money goes out. In practice, though, invoice payments are where a lot of finance ...

Compact heat exchangers could enable advanced nuclear reactors that are smaller, more efficient and more affordable—but a ...

A new study reveals how different synthesis methods can profoundly impact the structure and function of high entropy oxides, a class of materials with applications in everyday electronic devices. A ...

Arizona's Senate passed a measure that would allow voters to decide on firing squad executions, a method proponents call ...

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 ...