Startup Knightscope is preparing to roll out human-size robot patrols.
A study put people on autopilot by electrically stimulating their thigh muscles.
Einstein’s famous critique of quantum mechanics first emerged in 1930, five years earlier than thought, according to a new analysis of his work.
Thanks to Galaxy Zoo, crowdpower has revolutionized galaxy classification. But now the machines are taking over.
After great success in East Africa, mobile-phone wallet M-Pesa hit some bumps in South Africa.
The inventor of Second Life has spent 15 years chasing the dream of living in virtual space. Can his new company finally give virtual worlds mass-market appeal?
A new list of the most culturally influential individuals since 4,000 B.C. could help revolutionize the study of human culture.
Human e-mailing behavior is so predictable that computer scientists have created an algorithm that can calculate when an e-mail thread is about to end.