News tagged with chaos factor


Switching schools affects student achievement, study

Other Sciences / Social Sciences

created Jul 06, 2009 | popularity not rated yet | comments 1

(PhysOrg.com) -- Picture a kindergarten classroom of 20 students. By the time that class finishes fourth grade, only six students—30 percent—will have been continuously enrolled in the same school.





Search results for chaos factor


A 'fountain of youth' for stem cells?

Medicine & Health / Research

created 10 hours ago | popularity 5 / 5 (2) | comments 0

Researchers from the University of Hong Kong and the Massachusetts Institute of Technology have published a study in the current issue of Cell Transplantation, that explores ways to successfully keep stem cells "forever young" ...


Scientists identify protein that keeps stem cells poised for action

Biology / Cell & Microbiology

created Dec 24, 2009 | popularity not rated yet | comments 0

Like a child awaiting the arrival of Christmas, embryonic stem cells exist in a state of permanent anticipation. They must balance the ability to quickly become more specialized cell types with the cellular chaos that could ...


Figitumumab has anti-tumor activity in Ewing's sarcoma

Medicine & Health / Cancer

created Dec 23, 2009 | popularity not rated yet | comments 0

A preliminary study of the anticancer drug figitumumab has found that it has antitumour activity in Ewing's sarcoma—a cancer which affects mainly teenage boys. The results have led to the drug's progression to a Phase 2 trial ...


Knockdown of E2F1 reduces invasive potential of melanoma cells

Medicine & Health / Cancer

created Dec 23, 2009 | popularity 4 / 5 (2) | comments 0

Inhibition of transcription factor E2F1 reduced epidermal growth factor receptor (EGFR) expression and reduced the invasive potential but not proliferation of metastatic melanoma cells, according to a brief communication ...


Compound Halts Common Type of Drug-resistant Lung Cancer

Research yields new agent for some drug-resistant non-small cell lung cancers

Medicine & Health / Cancer

created Dec 23, 2009 | popularity 5 / 5 (1) | comments 0

The ability to make, test, and map the atomic structure of new anti-cancer agents has enabled a team of Dana-Farber Cancer Institute scientists to discover a compound capable of halting a common type of drug-resistant ...


Salmon

Hatchery-raised salmon too crowded

Biology / Ecology

created Dec 23, 2009 | popularity 5 / 5 (1) | comments 0

Every year, large amounts of hatchery-raised young salmonids are released into Swedish rivers and streams to compensate for losses in natural production. Butthese fish generally survive poorly in the wild. ...


Shallow Origins

Shallow Origins

Space & Earth / Earth Sciences

created Dec 22, 2009 | popularity 4.9 / 5 (13) | comments 3

In finding answers to the mystery of the origin of life, scientists may not have to dig too deep. New research is shedding light on shallower waters as a possible location for where life on Earth began.


Seeing how evolutionary mechanisms yield biological diversity

Biology / Evolution

created Dec 22, 2009 | popularity not rated yet | comments 0

An international team of scientists has discovered how changes in both gene expression and gene sequence led to the diversity of visual systems in African cichlid fish.


Link Between Poor Sleep and Poor Learning in Older Adults Investigated

Medicine & Health / Psychology & Psychiatry

created Dec 22, 2009 | popularity 4.5 / 5 (2) | comments 0

(PhysOrg.com) -- Researchers at the University of Massachusetts Amherst are trying to decode why aging prevents sleep from enhancing memory. Rebecca Spencer, assistant professor of psychology, says she is trying to isolate ...


Poor face greater health burden than smokers or the obese

Medicine & Health / Health

created Dec 22, 2009 | popularity 5 / 5 (1) | comments 0

The average low-income person loses 8.2 years of perfect health, the average high school dropout loses 5.1 years, and the obese lose 4.2 years, according to researchers at Columbia University's Mailman School of Public Health. ...



List of search results for chaos factor