An unusual alliance between physicists who study ultrahot plasmas and ultracold atoms is yielding intriguing results – and may even lead to an experimental test for string theory, as
Born 200 years ago, Charles Darwin is rightly celebrated for his work explaining the origin of species. But in setting a new standard for what an explanation of nature should be like, he also had a hu...
Robert P Crease talks to a former string theorist who found what he wanted in science when he applied the tools of physics to fundamental questions in biology
Many cosmological theories not only see our universe as one of many but also claim that time does not exist. Lee Smolin argues against the timeless multiverse