News
- 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.
- Tech
Beam Team: Unusual laser emits a band of light
A novel laser on a microchip emits a band of light rather than the single, pure color usually expected from a laser.
- Health & Medicine
Chill Out: Mild hypothermia aids heart attack recovery
Icing down patients who have just had a heart stoppage may boost their survival chances and prevent brain damage in those who pull through.
- Health & Medicine
Indoor tanning ups all skin cancer rates
Artificial sunbathing using ultraviolet lights increases the risk of all types of skin cancer.
- Physics
A new way to stick it to flies
Researchers have measured the amount of static charge that a walking house fly generates.
