376 results
- Chemistry
Boxes coated with citronella repel insects
A fragrant grass extract known as citronella oil may deter insects from infesting cartons of food.
- Chemistry
Striking Oil: High-pressure processing minimizes trans fats
Improvements in the techniques used to hydrogenate vegetable oils could soon fill store shelves with food products containing smaller percentages of unhealthful trans fats.
- Chemistry
Color Trails: Natural dyes in historic textiles get a closer look
A new chemical technique for extracting natural dyes from ancient textiles could help identify the plant species from which the colorants came.
- Chemistry
Chemistry Catches Cocaine at Source
Scientists have devised a method for identifying cocaine's geographical origin by determining the chemical signatures of five distinct coca-growing regions in the Andes.
- Chemistry
Molecular surgery traps hydrogen inside carbon cage
In a feat of precision chemistry, scientists have locked a pair of hydrogen atoms inside a soccer ball–shaped carbon molecule known as a buckyball.
- Chemistry
Energy on Ice
Recent efforts to unlock a frozen source of natural gas deep under the permafrost and ocean floor have energized prospects for a methane-hydrate industry.
- Chemistry
Busy Beads: Magnetic dust takes droplets for a ride
With a bit of dust and a magnet, chemists can shuttle drops around on a surface, an advance that could lead to chemistry labs on a chip.
- Chemistry
Breakdown: How Three Chemists Took the Prize
The Nobel Prize in Chemistry has been awarded to three scientists for their discovery of how cells mark proteins for destruction with a molecular tag called ubiquitin, otherwise known as the kiss of death.
- Chemistry
Researchers stretch for improved surfaces
A surprisingly simple, new technique could create better coatings for everything from medical implants to ship hulls.
- Chemistry
Microbes Make the Switch: Tailored bacteria need caffeine product to survive
Bacteria that rely on a chemical derived from the breakdown of caffeine for their survival could help lead to the development of decaffeinated coffee plants.
- Chemistry
Tarantula venom disrupts cells in unexpected way
The unusual way in which the chemical components of tarantula venom disrupt cells could inspire the design of new drug therapies.
- Chemistry
Solar Hydrogen
With the vision of a hydrogen economy looming ever larger in people's minds, scientists have picked up the pace of their pursuit of materials that use solar energy to split water and make clean-burning hydrogen fuel.
