Cheap, smart and efficient: how giant rats are transforming the fight against TB After success in Tanzania, other African countries may introduce the rodents to help sniff out the disease

I like a good traditional positive science story... www.theguardian.com/global-devel... "“I am happy whenever I hear the sound of a motorcycle bringing in samples,” says Soka. “I see lives that can be saved – lives that could be lost if conventional testing methods are not conclusive.”