Today on New Scientist: 19 December 2012







Cassini captures spectacle in Saturn's shadow

Saturn blocks out the sun to reveal its rings in all their splendour in this image from the Cassini spacecraft



Fabricated future: The sceptic's guide to 3D printing

3D printing is a revolutionary technology, but never mind the hype, says MacGregor Campbell - it will make its impact in unexpected ways



Best videos of 2012: Soap bubbles create 3D display

Watch the world's thinnest screen display vivid images, at number 8 in our countdown of this year's top videos.



Nearby Tau Ceti may host two planets suited to life

A star that is a mainstay of science fiction and resembles our sun has become a prime candidate for having habitable planets



Dogs - great people pleasers, less good as chauffeurs

Videos of dogs driving cars have become a global hit and prompted wild claims of canine intelligence. Not so fast, argues an animal cognition researcher



'Pinch-and-paste' app boosts your interior design skills

Want to see what your couch would look like in any colour or fabric? A new augmented reality app lets you virtually trick out your living room before you buy



Our deep relationship with water

A look back through history gives our modern commercial dealings with water a new perspective in Drinking Water by James Salzman



Blame bacteria if you start putting on weight

A man lost about 30 per cent of his body mass on a diet designed to inhibit Enterobacter - adding to mounting evidence that bacteria causes obesity



Micro-origami uses cells to fold itself

Watch cell forces do origami with tiny plastic sheets



2013 Smart Guide: Revolutionary human stem cell trial

Next year will see the first person receive induced pluripotent stem cells - "rewound" adult cells that can grow into any tissue in the body



App for quizzing your way to being a mastermind

Software that harnesses principles of cognitive science aims to turn you into a grade-A student



Twin attack could deliver universal flu vaccine

Combining two approaches to preventing flu might create lasting immunity against novel types




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