Ant-like robots create complex glowing patterns
Watch unpredictable trails emerge as a robot swarm follows simple rules
Mathematics, looking for a good home
A team of enthusiasts are on the march to set up a museum of mathematics for the masses
Phase-change materials can fix machine memory crunch
New memory that can hold multiple states at once could mean digital information is about more than just 1s and 0s
Taking the long view on the world's energy supplies
Research into the impacts of clean energy technology is needed if we're to avoid repeating our mistakes
Smarter password checker lets you compare with others
A new password checker rates the strength of your password relative to others, rather than following simple rules
Can't find your keys? Your brain's out of sync
Brain systems involved in searching for objects tend to work at different speeds, with the system responsible for perception unable to keep pace
What makes scientists tick?
Psychologist Greg Feist is trying to find out what drives scientific curiosity, from ways of thinking to personality types
White House pressure on Gulf oil leak figures alleged
Advocacy group says that NOAA scientist "lowballed" how much oil was leaking during the Deepwater Horizon disaster, against colleagues' opinion
Bulletproof skin stops a speeding gunshot
Watch skin reinforced with spider silk cushion a superfast projectile
Power paradox: Clean might not be green forever
As energy demand grows, even alternative energy sources such as wind, solar and nuclear fusion could begin to affect the climate. Anil Ananthaswamy reports
Rotblat's pursuit of nuclear peace
Keeper of the Nuclear Conscience: The life and work of Joseph Rotblat follows the Nobelist from bomb research to anti-bomb campaigning
Wheat will age prematurely in a warmer world
Global warming will have a bad effect on heat-sensitive wheat, slashing yields even more than was originally feared
'Panic button' could help cancer defy drugs
Yeast develops resistance to drugs by shuffling its chromosomes, and the same may apply to cancer
First quantum jiggles detected in solid object
A quantum-mechanical twang has been detected in a bar of silicon - previously such movement had been measured only in particles
Gold-coated ant wields microcog
Don't fear, ants haven't started constructing micromachines: this cog-wielding insect has been sealed in golden armour after death
US voters are less partisan than they think
Democrat and Republican voters' views on touchstone issues are not as strongly polarised as they assume - but mistrustful activists may often swing elections
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