Chemistry
- Chemistry
Ions on the Move: Theory of hydroxide’s motion overturned
New computer calculations reveal that a long-held belief about the hydroxide ion's movement in water is wrong.
- Chemistry
Powerful explosive blasts onto scene
Researchers have synthesized what could be the most powerful nonnuclear explosive known.
By Corinna Wu - Chemistry
Molecule Sorting: Antibody membrane lends a hand
A new membrane may make it easier to separate mixtures of drug molecules that exist in mirror-image versions into their two components.
- Chemistry
A crystal takes on an unusual topology
A single crystal exhibits the unusual topology known as a Möbius strip.
- Chemistry
Oxidized plutonium reaches a higher state
A new understanding of the basic chemistry of plutonium could affect the way nuclear waste is stored.
By Corinna Wu - Chemistry
The World of Wine
Improved analytical instruments and powerful computers are now enabling scientists to better determine a chemical fingerprint for products from different wine-producing regions.
- Chemistry
Antibiotics may become harder to resist
Drug designers have developed new tactics to make it harder for bacteria to survive exposure to antibiotics.
By Janet Raloff - Chemistry
Steering reactions with light
A light-based scheme for guiding the motion of chemical wave fronts may suggest ways to control analogous waves present in epileptic seizures and heart arrhythmias.
By Peter Weiss - Chemistry
Carbon nanotubes burn when flashed
Carbon nanotubes can ignite when exposed to an ordinary camera flash.
- Chemistry
Minimotor: Single molecule does some work
A single molecule has performed mechanical work—pulling and releasing a cantilever tip—when exposed to light.
- Chemistry
Fluorine atoms used to cut nanotubes
Researchers have found that they can cut carbon nanotubes into short, potentially useful pieces using a technique for adding groups of atoms to nanotubes.
- Chemistry
Unlikely ion made in lab
Chemists have created a molecule—the pentamethylcyclopentadienyl cation—that many researchers thought was too unstable to exist long enough to be identified or studied.