The British-American theoretical physicist Anthony Leggett died on 8 March at the age of 87. Leggett shared the 2003 Nobel ...

The Nature Index 2024 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Superfluidity and "Quasi-Particles" The curious properties of liquid helium are explained by regarding it as a gas of hypothetical particles in a similarly hypothetical background fluid. Recent ...