PhysicsThe 50-year quest to create a quantum spin liquid may finally be over Creating quantum entanglement inside a solid material is tricky in the lab – but crystals buried in the earth could be growing it naturally. Now one scientist says he has proof he’s found them Features
EarthAncient rocks show earliest evidence of tectonic activity on Earth The origins of plate tectonics on Earth are hotly debated, but evidence from Australia now shows that parts of the crust moved in relation to each other as early as 3.5 billion years ago News