When Beijing-based neurosurgeon Jin Shanmu pulled up a chair at his computer, he was not looking to make mathematical history. He was simply trying to crack a problem related to brain ultrasounds.

A growing number of Americans report they are unable to quit or cut down. By Roni Caryn Rabin A growing number of Americans say their cannabis use is problematic, according to a large new study ...

Cannabis is becoming a bigger part of American life—and for a growing share of users, a problem. A new study in JAMA Psychiatry finds nearly 1 in 10 US men and about 6% of women met criteria for ...

IBM and University of Chicago researchers have completed a quantum computation that leading classical methods could not ...

A growing number of Americans say their cannabis use is problematic, according to a large new study released Wednesday. The study, based on nationally representative data of U.S. adults, found that ...

Diego Garcia, a tiny island 2,200 miles from the Gulf of Oman, took over as the Navy’s logistics hub after Iran damaged a base in Bahrain. By John Ismay As a naval officer, John Ismay completed a ...

Scientists used a new error correction method to encode 70 logical qubits and solve a problem that is intractable for classical computers. The quantum computation ...