Master Switch May Help Cancer Cells Hide From Immune System
... I (MHC-I) molecules. MHC-I molecules are produced deep inside the cell and, are then transported to the cell surface. During that journey, a piece of a different molecule from elsewhere in the cellis attached to it. The MHC-I molecule carries that fragment to the cell surface where the fragment sticks ou...X-Ray Concentrator Will Expand Window On High-Energy Universe
...ronomers asharper view of the energetic activities deep in space - and a betterunderstanding of the chemical structure of life. "The concept is pretty simple," said Dr. Marshall Joy, an X-ray astronomer atNASA's Marshall Space Flight Center. "You gather X-rays at this end and funnelthem down to the other ...Human Neural Stem Cells Advance Distant Prospect Of Reseeding Damaged Brain
... In this study, the scientists removed cells from deep within theforebrain of one aborted fetus several years ago. When they cloned individualcells, they gave rise to both neurons and their support cells, the glia. Nextthey grafted immature stem cells into different areas of the developing mousebrain. Fo...Gold Finds Life, Energy, Controversy In Earth
...go. These hydrocarbons, Goldpostulated, come from deep reservoirs and are composed of the material fromwh...e life was able to blossom. In the eons since, the deep world of microbes has had to rely on chemicalenergy, the oxidation of hydrocarbons, ranging from met...Should Great Apes Be Given Legal Rights?
... are self-aware, have distinct personalities, form deep emotionalattachments, are intelligent and have rud...b rat wins "human"rights. After all, dogs can form deep emotional attachments, and cats seem tohave distinct personalities. Legal rights for rats is...Scientists Discover Key Cog In Receptor That Governs Ripening
MADISON - Digging deep into the protein molecules that govern ripening and agingin plants, scientists have found an ion of copper -- and a genetic link to someof the oldest life forms on the planet. The discovery reveals another key component of the ethylene receptor, a pr...Ancient Volcanic Cataclysms Discovered In The Indian Ocean
...ce(LIP). LIPs are areas where magma wells up from deep beneath Earth's surfaceand forms molten rock. The major objectives of the ODP expedition, explainsBruce Malfait, director of ODP at NSF, were to determine through drilling whenvolcanism was active; how much of the plateau formed above sea level and ...Amphibian Revival: Build It And They Will Come
...h American Midwest and West Coast and parts of the deep South to anumber of European countries. In some cases, apparent extinctions haveoccurred. However, very few of the reports or studies have documented data ofmore than a few years. A team headed by Owen Sexton, Ph.D., professor emeritus of biology i...Rare Cavefish Found By Scientists
...ey are small white fish knownto inhabit the waters deep beneath the earth but they are rarely seen by peoplebecause they are found only at limited points at which underground lakes can bereached through caves. While some scientists look for the cavefish for years,this group had been underground for about ......ed. For Marcia, facing cancer has developed into a deep commitment to helping othersthrough education on early diagnosis and treatment. She has established theMarcia E. Litt Breast Cancer Foundation (e-mail address: am1147@aol.com) and,among other projects, is in the process of producing a calendar for th...Harbor Branch Scientists Discover Bioluminescent Octopus
... organ may haveoccurred during colonization of the deep open-ocean by a creature that wasoriginally a shallow-water bottom-dweller. Once the suckers were no longeruseful for clinging to the bottom, their only remaining value may have been forcommunication. Shallow water species of octopus display their ......equator at this time of the year. A narrow zone of deep andtowering thunderstorms forming over the warmest part of the equatorial ocean,the ITCZ intercepts polluted air masses and removes much of the pollution inrainfall. But the ITCZ clouds can also move substantial amounts of pollutantsinto the upper at...New Hampshire Study Shows Well Water Has Higher Arsenic Levels Than Municipal Water
...the study. Domesticbedrock wells that are drilled deep into New Hampshire's underlying granite basegenerally have much higher arsenic levels than shallow surface wells, say theresearchers. The article cites another study published last year by the U.S. GeologicalSurvey, involving water sample...Seabed Silt In Indian Ocean Consists Of Remains Of Summer Plankton
... marine material were caught while settling to the deep ocean floor. Because the blooming of plankton is g...ankton's silicon skeleton dissolves just above the deep sea bed soon after arrival. Most of the organic carbon originating from dead plankton flocs is proce...National Science Board Honors Maxine Frank Singer With Vannevar Bush Award
...er "outstanding scientific accomplishments and her deep concern forthe societal responsibility of the scientist." The NSB established the Vannevar Bush Award in 1980 to commemorate NSF's30th anniversary. It was Vannevar Bush who, at the request of PresidentFranklin D. Roosevelt, recommended in ......he currents to the west and causes an upwelling of deep ocean water thatis unusually rich with the nutrients on which phytoplankton -- and thus othermarine organisms -- thrive. Once the scientists reached Namibia, however, they were surprised tofind only scant levels of Beggiatoa and Thioploca .......the lungs to stiffen,making it difficult to take a deep breath and interfering with the transfer ofoxygen from the lungs to the blood stream. For more information about beryllium disease, call LUNG LINE,800-222-LUNG.......esearch Center inBethesda, Maryland, reasoned that deep dives would be made safer if moredissolved hydrogen could be removed from the divers' blood. They turned to abacterium called Methanobrevibacter smithii, which lives in the gut andmetabolises hydrogen to form methane. They injected cultures of the ba......rtions of proteins,which are normally found tucked deep inside a properly folded protein. "When aprotein is misfolded and its hydrophobic insides are exposed, chaperonins snatchthem up and help them to fold correctly by forcing them to unfold, so that theycan try again," notes Englander. In such protein ...