News
- Astronomy
Ancient Mars water: A deep source?
A new analysis of a Mars meteorite that fell to Earth suggests that much of the water believed to have once flowed on the surface of the Red Planet came from eruptions of molten rock that originated deep within the planet.
- Astronomy
Distant cluster suggests low-weight cosmos
Lured by the radio beacon of a faraway galaxy, astronomers have discovered the most distant cluster of galaxies known in the universe.
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Can visiting a plant ruin an experiment?
Merely walking up to a plant and handling its leaves may skew outcomes in studies of predators attacking plants.
- Health & Medicine
Active lung gene signals cancer spread
The newly discovered LUNX gene, active only in lungs and in lung tumors that have spread outside that organ, may help in determining which lung cancer patients are likely to suffer a recurrence.
- Physics
Seeming sedate, some solid surfaces seethe
Although they're as orderly as bathroom-floor tiles, surface atoms of copper--and perhaps other solids--actually roam randomly and widely within their grid.
- 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.
- 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.
