In the News
Scientists Directly View Immune Cells Interacting To Avert Autoimmunit
Using a new form of microscopy to penetrate living lymph nodes, UCSF scientists have for the first time viewed immune cells at work, helping clarify how T cells control autoimmunity. Deep Impact Cruises Along To Cometary Collision
NASA's Deep Impact spacecraft has completed the commissioning phase of the mission and has moved into the cruise phase. The spacecraft's high gain antenna, which will relay images and data of the cometary collision, was activated and is operating properly. Christmas Pageant of Peace
Provides information about the annual lighting of the national Christmas tree at President's Park on the White House grounds. Includes an extensive history of national Christmas trees from 1923 to the present and an essay highlighting significant events in the history of the Capitol tree ceremony. From the National Park Service (NPS). Earth Systems Research Laboratory, Global Monitoring Division: South P
Website for the South Pole Observatory (SPO), which was "established at the geographical south pole at 2837 m above sea level in 1957 as part of the International Geophysical Year."Features live views of the South Pole, current weather, background about South Pole scientific facilities, material about the ozone hole, photos and time-lapse movies, and links to related websites. From the Earth System Research Laboratory, Global Monitoring Division, National Oceanic and Atmospheric Administration (NOAA). New Clues To Breast Cancer Development In High-risk Women
Physicians who treat women with the breast cancer susceptibility gene BRCA1 often remove their patients'ovaries to eliminate the source of estrogen they believe fuels cancer growth. Yet they also know that anti-estrogen therapies don't work to treat breast or ovarian cancer that might develop. That paradox has led scientists to question exactly how, or if, estrogen is involved in cancer development and whether removal of ovaries makes sense. Mice Roar Message: Genetic Change Happens Fast
Biologists report a rapid change of morphology and mitochondrial genes in a mouse common to a Chicago-area conservation area, with an older, established genotype of the mouse being pushed out by another type over a recent five-year period as nearby human suburban development progressed. Neuronal Circuits Able To Rewire On The Fly To Sharpen Senses
Researchers have for the first time described a mechanism called "dynamic connectivity,"in which neuronal circuits are rewired "on the fly"allowing stimuli to be more keenly sensed. New Vaccine Platform May Fight Infections With Causes From Influenza T
The development of effective vaccines for people with compromised immune systems may be feasible after all, according to a team of researchers, who demonstrated their approach could protect against pneumocystis pneumonia in mice lacking the same population of immune cells that HIV destroys in humans. This vaccine platform suggests that the immune system can be primed to ward off other infections as well, such as those caused by the flu, smallpox or exposure to anthrax, even in patients who have the highest risk for infection. Link Uncovered Between Variation In Humans With Extreme Body Mass And
Researchers report new insights into how genetic variation may create phenotypic differences between individuals. This study, which investigates the influence of mutations associated with obesity on the mechanism of splicing, is published in Genome Research. Antidepressant Use During Pregnancy Associated With Some Adverse Outco
Exposure to a certain class of antidepressant medications during pregnancy may be associated with an increased risk of preterm birth, a low five-minute Apgar score (a measure of overall health of the baby) and admission to the neonatal intensive care unit, according to a new report.
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