Uncategorized
- Health & Medicine
A Fishy Therapy
Shark cartilage continues to be sold to fight cancer, even though its efficacy has not been confirmed by any major U.S. trials.
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19522
I’m sure you published this article in good faith, but I believe that claims for shark cartilage are not made seriously by anyone who studies the role of natural substances in cancer prevention. It was proved ineffective long ago. I think your article does a disservice to honest people who are trying to fight the […]
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Cytoplasm affects embryonic development
The DNA in a fertilized egg's mitochondria may play a pivotal role in the organism's growth.
- Health & Medicine
Protein may aid stroke recovery
Tests in mice have shown that erythropoietin, a red blood cell growth factor, can reverse brain damage caused by strokes.
- Astronomy
Hole power
New computer simulations and observations are adding to the evidence that supermassive black holes control the growth of the galaxies they inhabit, wielding an influence far beyond their gravitational grasp.
- Archaeology
Pottery points to ‘mother culture’
The Olmec, a society that more than 3,000 years ago inhabited what is now Mexico's Gulf Coast, acted as a mother culture for communities located hundreds of miles away, according to a chemical analysis of pottery remains and local clays from ancient population sites in the area.
- Earth
Baking dirt to predict erosion after a fire
Lab tests suggest that a wide variety of soils exposed to the heat of intense wildfires end up with a similar resistance to erosion, a finding that may help scientists model that process more accurately.
- Health & Medicine
Cell transplants make gains versus diabetes
Transplanting insulin-making cells from a single cadaver into people with type 1 diabetes can reverse the disease in some people.
- Earth
Winged solution to biopollution?
Government officials have released alien moths in hopes that they will rein in the spread of an aggressive climbing fern now invading some 100,000 acres in south Florida.
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Healing secret lies in blood
An unknown factor in blood may be the key to why young people and animals heal much faster than old ones do.
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19521
Your article appears to suggest that healing of old people could be promoted by young people’s blood. Perhaps there is something to the Dracula story after all. Young people give blood for money. Anything known about the effect of transfusions on old people? Bill HawkinsMinneapolis, Minn. The mice in this experiment exchanged far more blood […]
- Earth
Straight Flush
Scientists are evaluating the results of the flood they unleashed in the Grand Canyon last November, hoping that it will restore sandbars and beaches along the Colorado River just downstream of Arizona's Glen Canyon Dam.
