In this issue: "The Chaotic Genesis of Planets": Planetary formation turns out to be startlingly chaotic. "Science 2.0: Is Open Access Science the Future?": Is posting raw results online a great tool or a great risk? "Regulating Evolution: How Gene Switches Make Life": How diverse animals arise from very similar sets of genes. "Hooked from the First Cigarette": Cigarette addiction can arise astonishingly fast. But new therapies could make quitting easier. "Nuclear Fuel Recycling: More Trouble Than It's Worth": The advantages of reusing spent reactor fuel pale in comparison with the dangers.
©2008 Scientific American