Nightingale has best birdsong because of its complex brain, research finds
Secretive bird produces more notes than other species, according to study that sheds light on human language
Cartels and organised crime target food in hunt for riches
From adulterated olive oil to counterfeit vodka, the global trade in fake food is booming – and for mafia gangs it's less risky than drugs. Now UK scientists are in the vanguard of the battle, write Jamie Doward and Amy Moore
Crime gangs expand into food fraud
Draft EU report says increasingly sophisticated techniques being used to counterfeit and adulterate food