Ultracold matter Research update Wiping data will cost you energy Landauer principle confirmed after more than 50 years Read article: Wiping data will cost you energy
Earth sciences Video Are earthquakes foretold by maths? An in-depth interview with Donald Turcotte Read article: Are earthquakes foretold by maths?
Mathematical physics Video On shaky ground A short film about the science of earthquake prediction Read article: On shaky ground
Mathematical physics Research update Theoretical-physics hub opens in South America South American Institute for Fundamental Research set to tackle subjects ranging from mathematical biology to cosmology Read article: Theoretical-physics hub opens in South America
Ultracold matter News Our favourite pictures of 2011 From Batman under the microscope to dancing black holes Read article: Our favourite pictures of 2011
Mathematical physics Opinion and reviews Quirks of memory Graham Farmelo reviews Einstein Wrote Back: My Life in Physics by John Moffat Read article: Quirks of memory
Ultracold matter Research update Introducing the latest quasicrystal Degenerate configuration is a first Read article: Introducing the latest quasicrystal
Mathematical physics Feature Relativity’s new revolution David Appell explains why rogue black holes could be cannonballing through the universe Read article: Relativity’s new revolution
Quantum optics Research update Drumming to a cooler quantum beat Ground state endures for much longer due to new micro-drum design Read article: Drumming to a cooler quantum beat
Quantum mechanics Research update The secret lives of photons revealed Researchers reconstruct the complete trajectories of single photons in Young's double-slit experiment Read article: The secret lives of photons revealed
JPhys Complexity journal A fully open access journal showcasing developments across all areas of complex systems and networks.