3D technology allows companies to 'print' everything from jewelry to prosthetic limbs
As genetically modified fish gain FDA approval, critics are pushing for labels
Investigation reveals that children's websites are tracking kids' internet use
Debate rages over the fate of the Neanderthals
'MiFi' offers laptop users a mobile internet signal
The Gulf of Mexico is recovering from the BP oil spill more quickly than many had expected
BBC site seeks to make abstract details concrete
Advisory group proposes reforms for the controversial IPCC
