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July 17, 2008
Gold Complex Changes Color Reversibly
Grinding and exposure to solvents trigger phase transformations and color changes
July 7, 2008
What's That Stuff? Bowling Balls
Knocking down pins and getting strikes with polymer science and surface chemistry
July 7, 2008
Took Only A Spark
This Chemical Safety & Hazard Investigation Board video of Barton Solvents plant's destruction explains how a tank farm explosion and fire could have been avoided with proper equipment grounding and better handling of nonconductive flammable liquids
July 7, 2008
Follow The Green Spot
An ultraviolet-light-emitting diode creates a green cloud in a photochromic solution
June 23, 2008
Electron Microscopy For Chemists
Advances in imaging and elemental analysis move TEM toward the realm of analytical chemistry
June 23, 2008
Molecular Cage May Contain ... Nothing
Self-assembled prisms may enclose empty spaces rather than solvent
June 18, 2008
Chaperonin's Lid Works Like A Camera's Iris
Proteins lid shuts to give proteins privacy while folding inside
March 20, 2008
Switches For The Body Electric
Double-bond isomerization makes new ways to control nerve impulses available
March 20, 2008
Extrasolar Gas Discovered
Astronomers thrilled at sighting of methane on distant planet
February 20, 2008
Measuring Atomic Friction
Advances in atomic force microscopy allow scientists to measure single-atom forces on a surface
February 7, 2008
How An Anti-HIV Drug Sidesteps Resistance
Inhibitor modifies its shape to accommodate changes in enzyme conformation.
January 14, 2008
Surprise From SN2 Snapshots
Ion velocity measurements unveil additional unforeseen mechanism.
December 24, 2007
In The Niche Of Time
Unique ultrafast elecron imaging tools use time to help elucidate function.
December 17, 2007
Burning Batteries
Hazardous failures of lithium-ion batteries are uncommon, yet researchers strive to minimize dangers.
December 17, 2007
Night-Shining Clouds
Studies of high-altitude clouds may illuminate atmospheric changes.
December 10, 2007
Rebound
A droplet of hexadecane bounces on a surface etched with nanoscale pillars and troughs.
December 10, 2007
Solar Mystery Solved
Japanese spacecraft finds conclusive evidence of waves that make sun's corona much hotter than its surface.
December 3, 2007
Musical Interlude
An animation of CO oxidation put to music by composer Philip Mayers for Ertl in 1996.
December 3, 2007
New Structure Analysis Technique
Combination of methods via computation yields first detailed structure of the nuclear pore complex.
November 26, 2007
Getting The Lead Out Of Bullets
Ammunition: Tungsten-tin composite provides alternative for hunters.
October 22, 2007
Chemistry Behind Bars
While balancing equations, inmates at San Quentin learn to balance their lives.
October 22, 2007
Magnetic Route To Photonic Crystals
Method yields tunable materials that diffract visible light selectively.
September 17, 2007
Viewing Microbial Metabolism
Mass spec paints a picture of nitrogen fixation by individual bacteria in animal cells.
July 30, 2007
Pulling Action
Helicase travels one base pair at a time along DNA, building up so much tension after three steps that the DNA unwinds three base pairs at a time.
July 23, 2007
Hoping to Make the Cut
In April, Hopewell Valley Central High School junior Trevor Saunders became the first blind student to qualify for participation in the International Chemistry Olympiad. Watch Saunders complete the lab portion of the exam.
May 21, 2007
Silicon-Based Spintronics
Study demonstrates flow of electron spin in workhorse material.
February 19, 2007
Translation Movie
Movie, based on structural work in many laboratories, shows the process of mRNA-to-protein translation, including initiation, protein chain elongation, and termination.
February 19, 2007
Molecular Spring Movie
When tRNA enters the ribosome's A site, it acts like a molecular spring, first distorting to fit into the available space and then returning to its native shape.
February 19, 2007
Elongation Cycle of Protein Biosynthesis
Movie of the ribosome's elongation cycle, in which a growing peptide chain is elongated by addition of one amino acid, is based in part on cryo-electron microscopy studies of ribosome-ligand complexes.
February 19, 2007
Molecular Ratchet Motion
Movie shows how the small subunit of the ribosome rotates with respect to the large subunit and how both subunits reorganize structurally during translocation, the process in which tRNAs move to adjacent sites and mRNA progresses by the length of one codon.
February 19, 2007
HIV Takes A Punch: Hijacking
Retroviruses travel from infected cells (yellow) to healthy ones (green) along filopodia bridges.
February 19, 2007
HIV Takes A Punch: Expansion
This cartoon shows how retroviruses like HIV might spread from one infected cell to others in the human body over filopodia bridges.
January 29, 2007
Spider Seduction Requires UV Light
Sex-specific use of UV light to seek out a mate is a first.
January 22, 2007
'Walking' Molecules Carry CO2
January 22, 2007
Comet Wild 2's Complex Chemistry: Spacecraft Trajectory
Stardust followed this orbit as it caught up with comet Wild 2, then returned a capsule filled with comet particles to Earth.
January 22, 2007
Comet Wild 2's Complex Chemistry: Stardust Capsule Reentry
This movie taken from a NASA DC-8 aircraft shows the Stardust sample return capsule entering the atmosphere in the early morning hours of Jan. 15, 2006.
January 15, 2007
Materials At The Movies: "Gecko – On Shape and Function of Gecko Foot-Hair"
Amateur: First Prize
January 15, 2007
Claims Under Fire
The future of embryonic stem cell research in the U.S. may hinge on the current review of key patents
December 18, 2006
Chemistry Highlights 2006
Top research advances of the year range from bio to nano.
November 27, 2006
Shape-Memory Polymer Trifecta
Video showing the triple-shape effect of a 'smart' fastener.
November 20, 2006
Walking The Line
Protein motors march cargo to the extremities of a cell and drag apart DNA during mitosis.
» Photo Galleries
April 7, 2008
Surface Science's Sage
Priestley Medalist Gabor A. Somorjai has been advancing surface chemistry for nearly five decades
April 7, 2008
Molecular Chemistry And Catalysis By Surfaces
February 18, 2008
Harvesting Project SEED
C&EN catches up with past participants in ACS's 40-year-old mentoring program.
December 17, 2007
National Chemistry Week Celebrates 20 Years
The 'Many Faces of Chemistry' were on display during National Chemistry week through ACS local section promotions and the K-12 Poster Contest.
December 17, 2007
Chemophilately
Chemistry stamps depict key discoveries, famous chemists, and chemical errors.
November 19, 2007
Suits and Lab Coats
Industry draws on academic know-how to help develop specialty chemicals and other new materials.
October 29, 2007
Butt In To Butt Out
Cigarette butts top the litter charts, but a healthy sense of outrage could snuff these eyesores out.
October 8, 2007
Liquid Gold Mine
Scientists in Norway are plumbing the seas for the next blockbuster medicine.
September 10, 2007
Scenes From The ACS National Meeting In Boston
September 10, 2007
The Many Faces Of The National Meeting
July 23, 2007
A Day With Blind Students Cary Supalo And Trevor Saunders
On May 22, C&EN reporter Linda Wang and blind Pennsylvania State University graduate student Cary Supalo (shown) visited Hopewell Valley Central High School, in Pennington, N.J., to document the progress of blind junior Trevor Saunders in using several new assistive tools for the chemistry lab.
May 7, 2007
Abstracting the Expo
At the American Chemical Society national meeting, C&EN's Ivan Amato embarked on a photographic hunt-and-gather expedition in the exposition hall at McCormick Place.
March 5, 2007
Weizmann Institute of Science
Photo Galleries: Weizmann Institute of Science and Weizmann Garden of Science
December 11, 2006
Chemistry Creates Comforts of Home
During National Chemistry Week 2006, ACS volunteers demonstrated 'Your Home—It's All Built on Chemistry'.
October 16, 2006
Europe's Young Chemists
Earlier this year, almost 120 young chemists from Europe entered the 2006 European Young Chemist Award competition.
October 9, 2006
The World According To Rick
Richard Smalley left his mark on science by laying the foundation for nanotechnology as we know it, then he tried to save the world.
September 4, 2006
Getting Bacteria To Do The Work
Microscale motor relies on yoked microbes to spin a rotor.
August 21, 2006
A Periodic Table Of Nanoparticles
Like chemical elements, nanoparticles of distinct types combine in definite proportions.
May 15, 2006
Metallography
Striking photographs reveal metallic microscapes beautiful enough to hang in an art gallery.
April 3, 2006
All That Glows
Bioluminescence provides practical applications while still remaining a mystery.
March 27, 2006
2006 Priestley Medalist
Former ACS president Paul S. Anderson is honored for more than 40 years of accomplishments in the pharmaceutical industry.
March 20, 2006
Indian Science Rising
India looks to vault itself onto the world's science and technology stage.
February 6, 2006
The Secret Life Of Plant Crystals
Microscopic view of plant tissue reveals a hidden world of calcium oxalate crystals of diverse shapes.
January, 16 2006
Glassblowing
Trade may be in decline because of changing technologies and medical advances, but glassblowers still play a pivotal role.
» Podcasts
August 21, 2007
Applications in Drug Discovery Podcasts
Couldn't make it to the Analytical Pavilion at the national meeting in Boston? Download C&EN podcasts of the speakers at the pavilion.
August 20, 2007
Roald Hoffmann: Chemist and Poet
Roald Hoffmann reads some of his poetry from the C&EN booth.
» Interactive
June 11, 2007
CAS Timeline
100 years of progress from volunteers and index cards to cutting edge computers, see the progress of CAS.
June 11, 2007
The Incredible Vastness of Data
In the hands of CAS, a morass of data points ends up telling epic research stories, page by page.
February 22, 2006
Biopolis Research & Development
Singapore prepares to move up the R&D value chain by building a research infrastructure with both foreign and homegrown talent.
December 5, 2005
Long Live RIKEN
RIKEN's five institutes are located on Honshu, Japan's largest island.
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