Biotechnology and Food Engineering (BFE) Chemical Engineering, Monash University

All eyes are on private rocketeers after the latest problem with Russia's Soyuz spacecraft, which is now the only means of sending crews to the International Space Station

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An exceptionally preserved fossil has allowed biologists to reconstruct the sound of an extinct bush cricket. So what did it sound like?

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All today's stories on newscientist.com, including: the revolution will be tweeted and robotic walking stick lends users some balance

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Sculpting an entire replacement jawbone that's both fully functional and biocompatible is seen as a breakthrough for 3D printing

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A 15-kilometre-long swathe of seagrass off the coast of Spain is at least 80,000 years old, making it the oldest known living organism on Earth

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Walking sticks are being dragged into the robotics era thanks to dynamic balancing, super-strong motors and power-punching batteries

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Mars Express has returned images of the Red Planet's Syrtis Major region, an area once thought to be an ocean – but did oceans once exist on Mars?

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Alberto Contador has been banned for 2 years and stripped of his Tour de France title after he tested positive for the banned stimulant clenbuterol in 2010

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In Connectome: How the brain's wiring makes us who we are, Sebastian Seung explores the mapping of our circuitry and how much it can tell us about ourselves

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3D file-sharing makes copying "physibles" possible. It'll give companies a headache – but could kick-start a 3D printing revolution

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Bird flu research is on hold after the creation of dangerous viruses in the lab, and important studies will be only partly published. What's going on?

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Economic meltdown, pro-democracy revolts, protest camps – was it all really catalysed by social media and new technology? We ask BBC correspondent Paul Mason (full text available to subscribers)

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Whether you want to smash a forehand like Federer, or just be an Xbox hero, there is a shocking short cut to getting the brain of an expert, says Sally Adee

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At least three giant-telescope projects are now under way, and the biggest of them, the European Extremely Large Telescope, is finally breaking ground in Chile(author unknown)

Norwegian artist Svein Flygari Johansen uses computer programming alongside sticks and stones to explore the impact of human culture on Nordic landscapes

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US environment agency misses dioxin deadline

Nature News , 06022012 doi: 10.1038/nature.2012.9975

Brendan Borrell

Academia and industry unite to criticize delays in publishing regulatory guidelines.

Fission power back on NASA’s agenda

Nature 482, 141 06022012 doi: 10.1038/482141a

Eric Hand

Space-technology report prioritizes nuclear propulsion.

ASK AN EXPERT: Are we likely to see lots of auroras this year following the sun's recent solar storm activity?(author unknown)

STAYING ABLE: Elderly adults who regularly drink green tea may stay more agile and independent than their peers over time.(author unknown)

SILENT SENTINELS: Periods of droughts and flooding rains could become more common in south-eastern Australia and New Zealand.(author unknown)