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Opinion, arguments & analyses from guest experts and from the editors of Scientific American

Come Hang Out with Some World Changing Ideas

Oil that cleans water. Pacemakers powered by our own blood. Drones that can spy on you in your backyard. Scientific American has chosen these and seven other innovations as the leading developments in 2012 that could ultimately change our world.

November 19, 2012 — Mark Fischetti

A Presidential Pythagorean Proof

James Garfield, circa 1870-1880. This image is in the public domain in the U.S. because its copyright has expired. James Abram Garfield was born on this day, November 19, in 1831.

November 19, 2012 — Evelyn Lamb

All-of-the-Above Energy Strategy Trumps Climate Action

"I am a firm believer that climate change is real, that it is impacted by human behavior and carbon emissions. And, as a consequence, I think we've got an obligation to future generations to do something about it." So spoke newly re-elected President Barack Obama at a press conference on November 14 when questioned by a reporter.So what is Obama going to do about it?

November 16, 2012 — David Biello

Parasitic Worm Eggs Ease Intestinal Ills by Changing Gut Macrobiota

Image of Trichuris trichiura courtesy of Wikimedia Commons/Delorieux for Johann Gottfried Bremser Intestinal issues are not just for us humans. Whereas the inflammatory bowel disease (IBS) now afflicts some 1.4 million people in the U.S., a similar condition often besets captive monkeys.

November 15, 2012 — Katherine Harmon

New Higgs Results Bring Relief and Disappointment

Higgs to two-photon candidate event as seen by CMS in May 2012 This past July, physicists at the Large Hadron Collider announced that they had discovered a new particle that looked much like the long-sought-after Higgs boson.

November 14, 2012 — Michael Moyer

Climate Change Denier Likely to Lead Congressional Science Committee

September 2012 was the 331st consecutive month with a global temperature above the 20th-century average Credit: NOAA Republican Party leaders in the House of Representatives will decide whether Representatives Lamar Smith of Texas, James Sensenbrenner of Wisconsin or Dana Rohrabacher of California will succeed Ralph Hall, also of Texas, as chair of the House Committee.

November 14, 2012 — Christine Gorman

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