News
- Health & Medicine
More good news about chocolate
The Kuna people of Central America appear to keep their blood pressure down by drinking cocoa rich in chemicals called flavanols.
- Chemistry
Wheat protein smooths ice cream
Proteins extracted from winter wheat keep ice cream smooth by preventing ice crystals from growing.
- Earth
El Niño’s coming! Is that so bad?
Although El Niño is often blamed for ill effects that total billions of dollars, a broader analysis suggests that the United States garners substantial benefits during this weather pattern.
- Health & Medicine
Coffee beans, cavity-causing germs
Compounds in coffee loosen the grip of bacteria that cause tooth decay.
- Tech
Littlest catalysts get a lot of support
Tiny metal clusters used as catalysts are getting so small that presumably inert carrier materials that host them are also getting involved in the reactions.
- Health & Medicine
High homocysteine tied to Alzheimer’s
Research has linked the incidence of Alzheimer's disease and other forms of dementia to elevated blood concentrations of the amino acid homocysteine.
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Encouraging signs but no woodpecker
A birding team searching in Louisiana for the possibly extinct ivory-billed woodpecker heard a promising pattern of taps but did not see the bird or hear it calling.
- Health & Medicine
Vaccine Power: Immune cells target cancerous tissue
Researchers are enlisting a person's own immune system to attack prostate tissue, including cancerous cells.
- Ecosystems
Cryptic Invasion: Native reeds harbor aggressive alien
A mild-mannered reed native to the United States is getting blamed for the mayhem caused by an evil twin.
- Humans
And Counting . . . : Latest census resets U.S. population clock
The 2000 census missed a little more than 1 percent of the nation’s population, due in part to a surge of undocumented immigrants to the United States in the late 1990s.
- Archaeology
Almond Joy, Stone Age Style: Our ancestors had a bash eating wild nuts
New finds at a 780,000-year-old Israeli site indicate that its ancient residents used stone tools to crack open a variety of hard-shelled nuts that were gathered as a dietary staple.
- Health & Medicine
Suspicious DNA: Chromosome study homes in on Alzheimer’s disease
Several human chromosomes now face intensified scrutiny for possibly harboring genes involved in Alzheimer's disease.
