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Dragon offers ticket to Mars
A cargo carrier designed for low Earth orbit could provide a cheap route to the red planet.
Lasers illuminate quantum security loophole
Faked 'entanglement' result challenges cryptographic technique.
Indian Ocean communities test tsunami warning system
Drill detected no glitches, but improvements could still be made.
Bacteria encode secret messages
Undercover E. coli act as updated invisible ink.
Spies to use Twitter as crystal ball
US intelligence agency aims to forecast unrest by reading the runes of social media.
Time is running out for the leap second
Abolition would see 'official' time unmoored from the Sun.
Brazil cooks up transgenic bean
Approval draws criticism over transparency and safety tests.
Elastec scoops X prize for oil-spill clean-up
Skimming system tripled previous best effort at oil collection.
MERMAIDs detect distant earthquakes
Free-floating observatories record seismic waves to help study Earth's interior.
Galileo gets ready for take off
Europe's satellite navigation system enters test phase.
Nanoparticle solar cells make light work
Cheap, printable photovoltaics might finally live up to their early promise.
India's nuclear future put on hold
Safety fears derail plan to import reactors.
Human genetics: Genomes on prescription
The first clinical uses of whole-genome sequencing show just how challenging it can be.
Fallout forensics hike radiation toll
Global data on Fukushima challenge Japanese estimates.
Scientists and autism: When geeks meet
Psychologist Simon Baron-Cohen thinks scientists and engineers could be more likely to have a child with autism. Some researchers say the proof isn't there.