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January-February 2009 (Volume 97, Number 1)

  • "Getting the Most from Energy," by Thomas Casten and Phillip Schewe
  • "Healing Heat: Harnessing Infection to Fight Cancer," by Uwe Hobohm
  • "Kashmir Valley Megaearthquakes," by Susan Hough, Roger Billham and Ismail Bhat
  • "The Bones of Copernicus," by Dennis Danielson

March-April 2009 (Volume 97, Number 2)


  • "Real-time Flood Forecasting," by Chintu Lai, Ting-Kuei Tsay, Chen-Chien and I-Ling Wu
  • "Knowing When to Stop," by Theodore P. Hill
  • "The Long-lived Transistor," by Robert W. Keyes
  • "A Cipher to Thomas Jefferson," by Lawren M. Smithline

May-June 2009 (Volume 97, Number 3)

  • "The Origin of Life," by James Trefil, Harold Morowitz and Eric Smith
  • "Fermi, Pasta, Ulam and the Birth of Experimental Mathematics," by Mason A. Porter, Norman J. Zabusky, Bambi Hu and David K. Campbell
  • "The Deprived Human Brain," by Charles A. Nelson III, Elizabeth A. Furtado, Nathan A. Fox and Charles H. Zeanah, Jr.
  • "Revisiting the Limits to Growth After Peak Oil," by Charles A. S. Hall and John W. Day, Jr.

July-August 2009 (Volume 97, Number 4)

  • "Bubbles and Flow Patterns in Champagne," by Guillaume Polidori, Philippe, Jeandet and Gérard Liger-Belair
  • "Human History Written in Stone and Blood," by Zenobia Jacobs and Richard G. Roberts
  • "Of Beauty, Sex and Power," by Andrew Gelman and David Weakliem
  • "Proteomimicry," by Jerry H. Brown

September-October 2009 (Volume 97, Number 5)

  • "Mitochondrial Death Channels," by Keith A. Webster
  • "Reconnecting Magnetic Fields," by James Burch and James Drake
  • "Taking Measure of Biofuel Limits," Thomas R. Sinclair

November-December 2009 (Volume 97, Number 6)

  • "Spitzer's Cold Look at Space," by Michael Werner
  • "Harvestmen," by William A. Shear
  • "The Other Climate Threat: Transportation," by Andreas Schäfer, Henry D. Jacoby, John B. Heywood and Ian A. Waitz
  • "Going with the Floe?" by Stephanie Pfirman, Bruno Tremblay and Charles Fowler

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