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Biological Species | Chemical Elements and Molecules | Electronics | Ideas and Properties | Materials | Mechanics | Medicine | Natural Phenomena | Processes | Tools
Click on a title below to access the article. (The World & I issue that the article appeared in is found in parentheses.)

Chemical Elements and Molecules
Bacteria ‘Factories’ Churn Out Valuable Chemicals (Feb 2015)
New Solar Phenomenon Observed (May 2012)
Neutrino “Flavors” Gateway to Antimatter Answers (Apr 2012)
Scientists Make Iron Transparent (Mar 2012)
Hunting the Higgs (Feb 2012)
Microwires Improve Performance of Light-Emitting Diodes (Dec 2011)
Engineers Use Proteins for Biofuels, Biorefining (Apr 2011)
Transparent Conductive Material Could Lead to Power-Generating Windows  (Dec 2010)
MAVEN Mission to Investigate How Sun Steals Martian Atmosphere  (Nov 2010)
Nanotechnology: Edible Nanostructures  (Oct 2010)
Simulating the Death of a Star  (Jun 2010)
Computers Aid New Drug Design Technique  (May 2010)
New Leads on Nitrous Oxide  (Dec 2009)
Organic Molecules Found in Hot Gas Planet  (Nov 2009)
Oxygen in Earth's Early Atmosphere  (Nov 2008)
Filling Up on Hydrogen  (Oct 2008)
Mercury: The Two-Faced Element  (May 2004)
Mercury in the Body  (May 2004)
Tungsten: From Lighting to Writing  (May 2003)
Aluminum: A Thoroughly Modern Metal  (Dec 2001)
Aluminum: A Power-Hungry Metal  (Dec 2001)
Inert Gas Heavyweights: Five Bright Nobles  (Mar 2000)
Lead: Toxic Treasure  (Nov 1999)
Copper: A Metal for All Ages  (Nov 1998)
Titanium: At the Speed of Life  (Apr 1998)
Sodium Bicarbonate: Bubbles, Balance, and Grit  (Apr 1995)
Chlorine: Friend or Foe?  (Jul 1994)
Methyl Bromide: Fallout From a Pending Phaseout  (Aug 1993)
Nitrogen in Life and Death  (May 1993)
Silicon: In a Grain of Sand  (Nov 1992)
Platinum: When So Little Means So Much  (Apr 1992)
Plutonium: Power and Poison  (Jul 1991)
Phosphorus: A Matter of Life and Death  (Dec 1990)
Lithium: Legacy of a Light Element  (Apr 1990)
Sulfur: Villain or Hero?  (Jan 1990)
Lead: Brilliant Performer  (Jul 1989)
Salt: The Sea's Bounty  (Aug 1988)
Dyes: Adding Color to Our Lives  (May 1987)
Fluorine's First One Hundred Years  (Dec 1986)
Oxygen  (Sep 1986)

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