Uncategorized
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Sharing the Health: Cells from unusual mice make others cancerfree
Immune-cell transplants from an extraordinary strain of mice that resists cancer can pass this trait to mice that aren't as lucky.
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19678
This article reported that years ago it was discovered that certain male mice eradicate cancer cells and that white blood cells from these mice make normal mice cancer resistant. It also reported that it is superpremature to look forward to clinical applications. It would seem that aggressive searches for remission of cancer in humans with […]
- Tech
Speed Bump: Tip’s tricks sort DNA, write at nanoscale
An atomic-force microscope tip has been transformed into a microinstrument for sorting DNA and depositing nanostructures by means of cleverly applied voltages that propel molecules along the tip's surface.
- Humans
Legal Debate: Assumptions on medical malpractice called into question
The notion that many medical-practice lawsuits are frivolous and intended to generate undeserved riches for their plaintiffs and lawyers isn't borne out in a new study.
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19677
The study in this article fails to address the more disturbing issue: Most of the insurance money (apparently) goes to lawyers (both sides), and very little to those injured. Peter WilsonSimi Valley, Calif. The numbers in the story pose a question. First, one reads that “about 85 percent of [1,452] cases were settled out of […]
- Anthropology
Making sacrifices in Stone Age societies
A half-dozen burials at sites in Europe and western Asia dating to between 27,000 and 23,000 years ago provide clues to possible human sacrifices.
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19676
Unless Vincenzo Formicola can demonstrate a human-caused fatal injury to the youngsters buried at these grave sites, his suggestion of human sacrifice is just sensationalistic speculation. The likeliest reason for a group burial is death in an outbreak of disease. There are many modern instances, such as the era of the bubonic plague. The rich […]
- Anthropology
Digging up debate in a French cave
A scientific debate has broken out over whether a French cave excavated more than 50 years ago contains evidence of separate Stone Age occupations by Neandertals and modern humans.
- Anthropology
Neandertals take out their small blades
Excavations of Neandertal artifacts have yielded a trove of thin, double-edged stone blades that researchers usually regard as the work of Stone Age people who lived much later.
- Anthropology
Ancient islanders get a leg up
A new analysis of bones from a tiny evolutionary cousin of people found on a Pacific island indicates that these late Stone Age individuals carried a lot of weight on short frames and had extremely strong legs.
- Health & Medicine
An aging protein?
The defective protein that, when defective, causes a premature-aging disease may also play a role in normal aging.
- Astronomy
Crust on a star
By analyzing X rays generated by the rumblings of a neutron star 40,000 light-years from Earth, astronomers have estimated the thickness of the dense star's crust.
