News tagged with segments
Cryogenic testing completed for James Webb telescope mirrors
Cryogenic testing is complete for the final six primary mirror segments and a secondary mirror that will fly on NASA's James Webb Space Telescope. The milestone represents the successful culmination of a process ...
Space & Earth / Space Exploration
Dec 21, 2011 |
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Assembly stand completed for James Webb Telescope flight optics
(PhysOrg.com) -- The cleanroom at NASA's Goddard Space Flight Center in Greenbelt, Md. has received a giant structural steel frame that will be used to assemble the mirrors and instruments of the James Webb ...
Space & Earth / Space Exploration
Nov 17, 2011 |
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Gene variant increases risk of kidney disease in African-Americans
African-Americans with two copies of the APOL1 gene have about a 4 percent lifetime risk of developing a form of kidney disease, according to scientists at the National Institutes of Health. The finding brings scientists ...
Oct 24, 2011 |
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Better ways to predict kidney disease risk for African Americans
Compared to European Americans, African Americans are four to five times more likely to develop kidney failure. Also, family members of African Americans with kidney failure have an increased risk of developing kidney failure, ...
Oct 14, 2011 |
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James Webb telescope completes mirror-coating milestone
(PhysOrg.com) -- NASA's James Webb Space Telescope has reached a major milestone in its development. The mirrors that will fly aboard the telescope have completed the coating process at Quantum Coating Inc. ...
Space & Earth / Space Exploration
Sep 13, 2011 |
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Genetic controller prepares immune system for diverse threats
An army of immune cells circulates the human body to protect against its potential foes—viruses, bacteria, cancer cells, and other invaders. Because the immune system cannot know what to expect, it must be prepared to ...
Sep 11, 2011 |
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Algorithm for identifying object boundaries in digital images 50,000 times more efficient than predecessor
Determining the boundaries of objects is one of the central problems in computer vision. It's something humans do with ease: We glance out the window and immediately see cars as distinct from the sidewalk ...
Technology / Computer Sciences
May 31, 2011 |
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Two kinds of Webb telescope mirrors arrive at NASA Goddard
It takes two unique types of mirrors working together to see farther back in time and space than ever before, and engineers at NASA's Goddard Space Flight Center have just received one of each type. Primary ...
Space & Earth / Space Exploration
Apr 13, 2011 |
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Peanut worm no longer recognized as separate group
Recent molecular phylogenetic analysis has shown that the marine animals known as peanut worms are not a separate phylum, but are definitely part of the family of annelids, also known as segmented worms. This ...
Mar 03, 2011 |
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Gene mutation play a major role in one cause of kidney disease
Mutations in a gene called INF2 are by far the most common cause of a dominantly inherited condition that leads to kidney failure, according to a study appearing in an upcoming issue of the Journal of the American Society Ne ...
Jan 20, 2011 |
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Researchers follow the money to show complicated ways people connect
What are borders these days? When travel was local, borders and communities were easy to define, but now our connectivity is more complex. It's time to think of borders differently, according to Northwestern University researchers.
Other Sciences / Social Sciences
Nov 18, 2010 |
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Segmentation is the secret behind the extraordinary diversification of animals
Segmentation, the repetition of identical anatomical units, seems to be the secret behind the diversity and longevity of the largest and most common animal groups on Earth. Researchers from CNRS and Universite ...
Jul 16, 2010 |
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Investigators identify gene associated with kidney disease in African-American population
Kidney disease is a growing public health problem, with approximately half a million individuals in the United States requiring dialysis treatments to replace the function of their failed kidneys. The problem is particularly ...
Jul 15, 2010 |
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Hereditary kidney disease linked to genetic location
An in-depth study of a family with multiple generations affected by kidney disease has identified a previously unknown location for a gene abnormality causing focal segmental glomerulosclerosis (FSGS), according to a study ...
Jul 08, 2010 |
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Gut-residing bacteria trigger arthritis in genetically susceptible individuals
A single species of bacteria that lives in the gut is able to trigger a cascade of immune responses that can ultimately result in the development of arthritis.
Jun 17, 2010 |
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