New Scientist Magazine Contents

Defying the laws of thermodynamics, experiments are beginning to show that a quantum state that is frozen forever might not be impossible. If we can tame it, it could unlock whole new types of matter

With Steven Spielberg's new extraterrestrial film Disclosure Day just out, it's the ideal time to watch Close Encounters of the Third Kind – perhaps the perfect UFO film, says film columnist Bethan Ackerley

Older mice that received a faecal microbiome transplant from younger animals went on to have improved brain plasticity, which suggests their brains could overcome a neurological condition that is typically successfully treated only in childhood

Something is absorbing light on the surfaces of Pluto and Saturn's moon Titan, and figuring out what it is could be crucial to understanding Titan's complex chemistry

Efficiency ratings on portable air conditioners don't give consumers the full picture, and one type of aircon unit is so inefficient that it should be banned, says Michael Le Page