5,519 results
- Chemistry
Now, nylon comes in killer colors
Chemists are improving antibacterial fabrics by treating them with compounds that prolong their killing power and add color.
- Humans
From the June 14, 1930, issue
1,500,000,000 YEARS OF LIFE PORTRAYED IN GREAT HALL OF PAINTINGS Fifteen hundred million years of life on this planet will be unrolled as a single connected epic in a series of three majestic new halls planned for the Field Museum of Natural History in Chicago. Fossils, rocks, mounted plant and animal specimens, paintings, and statuary […]
- Humans
Science News of the Year 2003
A review of important scientific achievements reported in Science News during the year 2003.
-
Old Worms, New Aging Genes
The genes and hormonal signals that regulate life span in worms may do the same in people.
- Health & Medicine
Viruses stop antibiotic-resistant bacteria
Bacteriophages, viruses that destroy bacteria, can protect mice from bacteria that are impervious to antibiotics.
- Health & Medicine
Efficient Germ: Human body boosts power of cholera microbe
Some genes in the cholera-causing bacterium Vibrio cholerae are activated and others are silenced when the microbe passes through the human gut, changes that make the bacterium more virulent.
- Chemistry
Antibiotics may become harder to resist
Drug designers have developed new tactics to make it harder for bacteria to survive exposure to antibiotics.
- Chemistry
Lakes reveal low phosphate concentrations
Researchers using a new technique have found that previous measurements of phosphate, an important nutrient in lake ecosystems, have grossly overestimated its concentration.
- Health & Medicine
Genomes of dangerous bacteria exposed
Researchers unveiled the genomes of bacteria that cause severe food poisoning, typhoid fever, and the plague that devastated the Middle Ages.
- Health & Medicine
Eat Broccoli, Beat Bacteria: Plant compound kills microbe behind ulcers and a cancer
A chemical abundant in broccoli and certain other vegetables kills ulcer-causing Helicobacter pylori bacteria in the laboratory and inhibits stomach cancer in mice.
- Chemistry
Danger Detection
Analytical chemists are exploring ways to improve chemical and biological weapons detection.
-
Ironing out underarm odor
Chemicals that deprive bacteria of iron may improve deodorants.
