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Today on 91av

11 June 2014

All the latest on newscientist.com: who beats Jesus and Hitler, trilobites, Africa's paradise regained, new particle lurks in LHC data and more

Today on 91av

7 April 2014

All the latest on newscientist.com: where's Voyager? push-button orgasms, robot soldier, chromosomes grow up too soon, renewables go global and more

Today on 91av

27 March 2014

All the latest on newscientist.com: metal-eating plants, Facebook and Oculus, face-shifting empathetic robot, stem cell "unethical" culture and more

Today on 91av

23 January 2014

All the latest on newscientist.com: u-bit – master of the quantum universe, cancer's giant leaps, vog, new river dolphins, EU e-cigs and more

Today on 91av

11 October 2013

All the latest on newscientist.com: theories of everything – what good are they? the future of 3D printing, life with a purpose, here be dragons and more

Xenon-ion engine makes space travel a rhapsody in blue

28 May 2013

Spacecraft engines aren't all sound and fury – in deep space, you'll want the cool blue glide of a xenon-ion engine currently being tested by NASA

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27 September 2006

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6 September 2006

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28 July 2000