Gulf gas leaves its mark
US soldiers who were exposed to high levels of the nerve gas sarin in the 1991 Gulf war now have less white matter in their brains than those who encountered less of the gas. The findings, published in NeuroToxicology (DOI: 10.1016/j.neuro.2007.03.006), support the idea that chemical weapons caused Gulf war syndrome (Â鶹´«Ã½, 6 November 2004, p 8).
Worst-case carbon
Carbon dioxide emissions are growing even faster than envisaged in the worst-case scenario of the Intergovernmental Panel on Climate Change, according to Australian research institution CSIRO. Emissions growth suddenly accelerated between 2000 and 2004…
