When robots work safely with humans, they can provide clear benefits. Industries facing labor shortages, such as elder care, could see relief. Physically demanding jobs might also become safer for ...

Ever wonder how nodes are incentivized in a blockchain to ensure trust, consensus and cooperation in a system with no central authority? The answer lies in game theory, the mathematical study of ...

The original version of this story appeared in Quanta Magazine. Imagine you had a friend who gave different answers to the same question, depending on how you asked it. “What’s the capital of Peru?” ...