UK to build world’s first power plant with negative emissions
The largest power plant in the UK wants to burn wood and bury carbon emissions under the North Sea, sucking CO2 out of the air. Can it really do it?
Watch the far side of the moon pass in front of Earth
NASA's DSCOVR spacecraft has snapped the side of the moon we rarely see as it passes between our planet and the sun
Earth may have a hairy mane of dark matter flowing around it
Streams of dark matter passing through planets appear to concentrate into 'hairs'. If we can find Earth's cosmic mane, we might be able to detect dark matter
Backwards sundial finds true north better than magnets or GPS
If you need to find north at high latitudes, where magnetic compasses don't work so well, you're in luck – a cheap, accurate solar compass can help
Vapourised superglue helps lift fingerprint from gun trigger
Despite what you see on TV, gun triggers are some of the most difficult places to find fingerprints – but a team in Italy has done it, thanks to superglue spray
Facebook unveils drone for beaming internet access from the sky
The tech giant has unveiled Aquila, the drone it hopes will help underdeveloped countries get online
Gene tests and hair analysis could catch doping athletes
Tests that detect changes in genes triggered by drugs could bolster the use of a biological passport – if athletics will spend more on research
‘Dipstick’ in the brain could predict damage just in time
A probe inserted into a person's brain can alert intensive-care staff to a critical drop in energy supply, potentially saving the patient's life
Obama’s clean power plan will cut emissions – but is it enough?
Environmentalists have welcomed the Clean Power Plan, which steers the US towards a lower-carbon future, but some say more needs to be done
Cyber attack: How easy is it to take out a smart city?
Cities are getting ever more sophisticated, automated and "smart". But this only increases their vulnerability to hacking
