Artificial intelligence can already beat humans at video games like StarCraft II and Dota 2, but now they've also mastered the art of working cooperatively. DeepMind has trained AIs to team up to play Quake III Arena, a first-person shooter video game. They can outperform human players and are also able to successfully work with human teammates. Up until now, AI has not been able to master the complexity of games that require teamwork and interaction between multiple players. A group of 30 AIs were collectively trained to play five-minute rounds of Capture the Flag, a game mode in which teams must retrieve flags from their opponents while retaining their own.

Flex it: Researchers at MIT have created a robot that closely monitors your biceps as you lift and move things around. The idea is to develop a system capable of collaborating with people more effectively.