For quantum computers to outperform their classical counterparts, they need more quantum bits, or qubits. State-of-the-art ...

An inherent principle of publication is that others should be able to replicate and build upon the authors' published claims. A condition of publication in a Nature Portfolio journal is that authors ...

Islamic State claims responsibility for attack on Chinese-run restaurant in Afghanistan Islamic State claimed responsibility on Monday for an attack on a Chinese-run restaurant in a hotel in Kabul.