Scientists have developed a new technique that doubles the amount of hydrogen produced when splitting water molecules with electricity. The method works by adding a simple organic molecule and a ...

A first-of-its-kind national trial shows that public Montessori preschool students enter kindergarten with stronger reading, memory, and executive function skills than their peers. These gains don’t ...

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 ...

A tech C.E.O. explains why A.I. probably won’t cure diseases anytime soon. Hint: You still need humans. By Kevin Roose Casey Newton and Rachel Cohn The leaders of the biggest A.I. labs argue that ...