Mini space shuttle crash-lands after free-flight test
No one was on-board when the Dream Chaser crashed at the end of its first free flight, and valuable lessons are being learned
Ethiopia switches on Africa's largest wind farm
The country's green economy is booming, but it will be a while before most Ethiopians feel the benefit
Wanted: a country to destroy Syria's chemical weapons
Must be peaceful and have lots of water. The UN weapons inspectors have a mobile plant capable of breaking down the chemical weapons but nowhere to base it
Scramble the brain's timekeepers to banish jet lag
Desynchronising the neurons in the brain that keep time by overdosing them with a signalling hormone could help the body get over jet lag faster
Skittering water droplets spin tiny sponges of gold
Levitating drops of hot water have been used to fabricate intricate gold structures that could act as tiny green factories
Sticky memory may turn Post-it notes into flash drives
A self-adhesive memory card designed for use in flexible gadgets could one day be used like a bendy flash drive for transferring data
UN sets up asteroid peacekeepers to defend Earth
The United Nations working group will share information about dangerous asteroids and help decide on the best course of action if one threatens the planet
Firefox plug-in reveals who is tracking your surfing
Want to know who's tracking you online? The Lightbeam plug-in shows you the companies you may not know are monitoring your movements
Software beats CAPTCHA, the web's 'are you human?' test
By overcoming a widely used Turing test, a new program seems to have taken a big step in artificial intelligence
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