Uncategorized
- Health & Medicine
Color array reveals breast cancer types
A suite of genes lights up when researchers probe for cancer.
- Health & Medicine
Sometimes an antibiotic is much more
By reining in destructive enzymes in the body, tetracyclines can thwart various diseases, including periodontal bone loss and cancer.
- Paleontology
Extinctions Tied to Impact from Space
Evidence trapped in 250-million-year-old sediments may help researchers pin the ultimate blame for the massive extinctions that occurred then on the impact of an extraterrestrial object about 9 kilometers across.
- Math
Appealing Numbers
The ancient Greeks, especially the Pythagoreans, were fascinated by whole numbers. They defined as “perfect” numbers those equal to the sum of their parts (or proper divisors, including 1). For example, 6 is the smallest perfect number-the sum of its three proper divisors: 1, 2, and 3. The next perfect number is 28, which is […]
-
From the February 21, 1931, issue
WHAT BABIES THINK ABOUT What are baby’s secret thoughts? Babies understand what is said long before they are able to speak, psychologists have discovered. Wherefore, parents are reminded to think before they talk in front of even very young infants and to count to 10, or 110, before indulging in a family tiff while the […]
- Physics
The Atoms Family
Dracula doesn’t want to suck your blood. He wants you to enter his online library and learn about the properties of light, waves, and particles. Here at “The Atoms Family” Web pages, created by the Miami Museum of Science, Dracula and four other silver-screen ghouls invite Web surfers into their laboratories to try out physics […]
- Health & Medicine
Calcium supplements for chocolate
Using soap chemistry, scientists prevented some of chocolate's saturated fat--and calories--from being absorbed.
- Health & Medicine
Can childhood diets lead to diabetes?
Prolonged consumption of foods that break down quickly into simple sugars appears to foster obesity and vulnerability to diabetes, an animal study shows.
- Chemistry
Research shows why water acts weird
A new technique shows a link between water's unusual physical properties and its abnormal molecular structure.
- Chemistry
New all-metal molecules ape organics
Researchers have stumbled upon the first all-metal, aromatic molecules.
-
Organ donations take family toll
Taiwanese people who donate organs from a deceased family member still support that decision 6 months later, despite frequently experiencing negative consequences related to their culture and religion.
-
Hormone therapy may prove memorable
Healthy, older women may be protected against losses of verbal memory that typically occur with age if they receive hormone-replacement therapy.
