Our Changing World for Thursday 12 February 2015

9:46 PM.When a farmer embarked on an experiment to excavate deep volcanic layers and bring them to the top, he found that the ancient soils produced greener pastures. Read more Audio

9:34 PM.How research into the metabolism of the TB bacterium is helping in the development of a new class of antibiotics Read more Audio

9:20 PM.A single gene seems to predispose people to becoming addicted to drugs and alcohol Read more Audio

9:06 PM.Whitebait Connections takes school children out to measure the health of local streams and rivers. Read more Audio