This Week: Reading magma, predicting giant eruptions
In the News: Penna. may impose fees, regs on fracking.
Was wheat tamed in 200 years or less? New information on the origin of agriculture in the Middle East shows the process may have taken millennia…
History shows societies collapse without soil. What can the world cando to keep our dirt clean?
Agricultural genetic engineering could change the equation between weeds, insects, toxic agricultural chemicals and yields. Is GM food a good idea?