In this issue:"Turbocharging the Brain": Pills that are safely able to improve mental processes will one day be available to all."Boosting Vaccine Power": New insights into the immune system could lead to newer and better vaccines."Squeezing More Oil From the Ground": Advanced technologies could extend the world's oil supply."Lost Cities of the Amazon": Recent discoveries in the Amazon are providing insights into complex societies that existed more than six-hundred years ago.
©2009 Scientific American