Chemistry
- Chemistry
The Nature of Things
An earth scientist's proposed alternative periodic table of elements is emblematic of the growing desire among scientists to recast this 130-year-old chart.
- Chemistry
Nobel Prize in Chemistry Opens Channels: Research reveals vital function of tiny pores in cell membranes
The 2003 Nobel Prize in Chemistry honors two researchers for their pioneering work on the structure and mechanisms of cell membrane channels, tiny pores that regulate the flow of ions and water molecules across cells.
- Chemistry
Mollusks point way toward better drugs
Growing drug crystals on different polymer surfaces may lead to improved medicines.
- Chemistry
Germ-killing plastic wrap
Scientists have developed biodegradable plastics that release natural germ-killing agents onto the foods wrapped inside.
- Chemistry
Toxic runoff from plastic mulch
Pesticide runoff from tomato fields covered with sheets of plastic can kill fish, clams, and other aquatic life.
- Chemistry
New solution for kitchen germs
Acidic electrolyzed water appears to kill foodborne germs more effectively than a bath of dilute bleach.
- Chemistry
Secret of strong silk
By controlling the amount of water in their glands, spiders and silkworms prevent their silk proteins from crystallizing prematurely.
- Chemistry
Catalyzing green chemistry
A recyclable catalyst promises to eliminate the waste generated during the manufacture of a wide range of chemicals, including drugs and ceramics.
- Chemistry
Amino acid lends a heavy hand
Scientists have identified a mechanism to explain how amino acids evolved to become exclusively left-handed in all living organisms.
- Chemistry
Amending the Genetic Code: Yeast adds new amino acids to its proteins
Researchers have created yeast cells that add one of five unnatural amino acids to their natural 20-piece construction set.
- Chemistry
Old Martian questions may have new answer
Researchers simulating Martian conditions in a test tube discover a likely reason why no organic molecules have yet been found on the surface of the Red Planet.
- Chemistry
Chemical rings act as a minirotor
Interlocked molecular rings form new minirotors, including some in which scientists can control the rotational direction.
