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Publisher's Summary

In this issue: "Grassoline at the Pump": Scientists are turning agricultural leftovers into a huge variety of biofuels. "From the Moon to Mars": The lunar module pilot for the Apollo 17 mission offers some pointers for future explorers of Mars. "Origins of the Left & Right Brain": The division of labor by the two cerebral hemispheres - once thought to be uniquely human - predates us by half a billion years. "The Ivory Trail": New forensic tools based on DNA analysis can help stop the cartels behind the illegal slaughter of African elephants for ivory.
©2009 Scientific American
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