EarthI think we should let elephants loose in Australia Australia has a long history of ecological disaster from alien species – so why is ecologist David Bowman proposing adding yet another? 51¶¯Âþ
LifeWorld's first cloned human embryonic stem cells Human embryonic stem cells have been cloned by fusing skin cells with unfertilised eggs – the trouble is they have three sets of chromosomes 51¶¯Âþ