In this final part of the winter book club, we conclude the winter by exploring the silence, exploring how volcanologists will study lava jets and tremors, including sinking into the middle of the Earth. Irina joins the Sciarts producer Christy Taylor, Caltech seismologist Lucy Jones and the sociology of disasters Institute of Colorado Lori peak, in order to talk about the power of earthquakes, volcanoes and other hazards which create companies. We are still talking about how a natural disaster is made a human disaster—and who suffers the most when the community is poorly prepared.

Apart from that, the educational program of the week's biggest scientific news and the Arizona story about drought.