Features

• Fighting Killer Worms

  Bloodsucking worms called schistosomes are among the world's most worrisome human parasites. A new genome sequence and powerful genetic tools promise to help crack their secrets

  Patrick Skelly   | May 1, 2008  |

• How Cells Clean House

  Worn-out proteins, malfunctioning organelles, invading microorganisms: all are swept up by tiny internal "vacuum cleaners" that keep a living cell healthy. If the process, called autophagy, can be kept in good working order, aging itself might be delayed

  Daniel J. Klionsky and Vojo Deretic   | May 1, 2008  | 1

• Hooked from the First Cigarette

  New findings reveal that cigarette addiction can arise astonishingly fast. But the research could lead to therapies that make quitting easier

  Joseph R. DiFranza   | May 1, 2008  |

• Science 2.0 -- Is Open Access Science the Future?

  Is posting raw results online, for all to see, a great tool or a great risk?

  M. Mitchell Waldrop   | May 1, 2008  | 27

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  Nuclear Fuel Recycling: More Trouble Than It's Worth

  Plans are afoot to reuse spent reactor fuel in the U.S. But the advantages of the scheme pale in comparison with its dangers

  Frank N. von Hippel   | May 1, 2008  | 28

• Regulating Evolution: How Gene Switches Make Life

  Switches within DNA that govern when and where genes are turned on enable genomes to generate the great diversity of animal forms from very similar sets of genes

  Sean B. Carroll , Nicolas Gompel and Benjamin Prudhomme   | May 1, 2008  | 7

• The Chaotic Genesis of Planets

  Long viewed as a stately procession to a foregone conclusion, planetary formation turns out to be startlingly chaotic

  Douglas N. C. Lin   | May 1, 2008  | 6