+
Technique to trace persistent CFCsUltrafine measurements of atmospheric gases could help scientists track down the last sources of CFCs thought to be slowing the recovery of the ozone hole.
+ Openness urged on UK's emissionsThe government's chief environment scientist calls for more openness in admitting the UK's cuts in greenhouse gas emissions are an illusion.
+ 'Lights out' help migratory birdsA growing number of New York sky-scrapers switch off their lights at night to help reduce the number of migratory birds hitting the buildings.
+ Greatest free-kick 'was no fluke'Physicists explain one of football's most spectacular free-kicks, showing that Roberto Carlos's 1997 "impossible goal" was not a fluke.
+ Ants protect trees from elephantsA species of acacia tree found in Eastern Africa seems to be protected from elephant damage - by the ants that live on it.
+ Worm brain clue to evolutionResearchers map the nervous system of worms to try and understand how the human cerebral cortex evolved.
+ Creation was Godless says HawkingThere is no place for God in theories on the creation of the Universe, Professor Stephen Hawking concludes in a new book.
+ Ancient reef uncovered in PacificAn ancient reef may provide scientists with clues about what will happen to coral when sea temperatures rise.
+ Floods swamp south Sudan regionSome 57,000 people have been forced from their homes because of dramatic floods in south-western Sudan over the past month, officials say.
+ Rare Roman lantern found in fieldA metal detecting enthusiast finds what is believed to be the only intact Roman lantern made out of bronze ever discovered in Britain.
+ Clue to ancient Antarctic seawayScientists have found evidence for an ancient sea passage linking currently isolated areas of Antarctica.
+ Earl weakens as it nears US coastHurricane Earl weakens as it nears the US East Coast, though officials warn it remains "large and powerful".
+ Old star wallows in 'steam bath'Europe's Herschel space telescope spies an aging star that has surrounded itself in hot water vapour.
+ Memristor revolution backed by HPA potentially revolutionary circuit component, once a laboratory curiosity, is to be mass-produced for the first time.
+ Big rocket booster in second testA further test ignition takes place on the giant booster intended to power Nasa's next big rocket.
