UN chief urges deal at Copenhagen 28.11.2009 4:55:9 GMT UN head Ban Ki-moon urges world leaders to "seal a deal" on climate change when they meet in Copenhagen next month.
Colossal star seen by Herschel 27.11.2009 15:50:14 GMT The death throes of the biggest star known to science have been observed by Europe's new space telescope, Herschel.
Cell discovery hope for jet lag 27.11.2009 23:58:6 GMT Researchers find a group of cells that may hold the key to how the body clock works and could provide clues to fight jet lag.
![[ Click Me ]](http://winkkk.com/photo/5429.gif)
![[ Click Me ]](http://winkkk.com/photo/5273.gif)
