Why choose Twig
Massive solar flare observed
Feb. 17, 2011, noon
Astronomers at Nasa's Solar Dynamic Observatory (SDO) have observed that the Sun has emitted its largest solar flare in four years.
GM chickens that resist Bird Flu
Feb. 14, 2011, noon
Scientists at the University of Cambridge and the University of Edinburgh have produced genetically modified chickens that may help prevent the spread of bird flu.
Tropical cyclone Yasi hits Australia
Feb. 2, 2011, noon
In the height of Australian cyclone season – which runs from November to April – a cyclone ranking at the most dangerous level has reached Queensland, Australia.
Stem cells to cure blindness
Nov. 21, 2010, noon
Twelve people in the US are to get pioneering stem cell treatment to try to cure their hereditary blindness, using the world's first eye therapy derived from human embryonic cells.