Smart dust computers are no bigger than a snowflake
Thousands of tiny computers that scavenge power from their surroundings could one day be used to monitor your world
It's time physics recognised that time is real
We all feel the forward march of time, but the laws of physics tell us it is an illusion. A radical rethink is needed, argues theoretical physicist Lee Smolin
Inspiring vision of Boeing's futuristic supersonic jet
A model of a low-noise, low-emission supersonic airliner in a NASA wind tunnel evokes our reporter's nostalgia for Concorde's glory days
How to stop Excel errors driving austerity economics
A global row has erupted over errors in research used to bolster the case for austerity. Open data might have spared us the pain, says Velichka Dimitrova
Feedback: Monarchy set for interplanetary travel?
British royal family plans mission to Mars, things not to do with a razor blade, passive-aggressive cookie law, and more
E-tattoo monitors brainwaves and baby bump
An electronic patch can analyse complex brainwaves and listen in on a fetus's heart
Ocean pump keeps northern hemisphere hot
The northern hemisphere is on average 1.5??C hotter than its southern twin, but this isn't because it contains most of the world's land
Oases of cool: Creating urban chill-out zones
How both ancient and futuristic designs can help keep city dwellers comfortable as global warming bites and urban temperatures rise
Earliest Mayan monuments unearthed in Guatemala
Many archaeologists believe that the Maya learned to build pyramids from the dominant Olmec civilisation, but new finds suggest otherwise
Stem-cell 'symphony' creates patterns in feathers
Stripes and other patterns in plumage result from choreographed changes in pigment-producing cells ? a result that could help us grow artificial organs
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