News tagged with jettison motor
NASA Conducts Full-Scale Test Firing of Orion Jettison Motor
Space & Earth / Space Exploration
Jul 21, 2008 |
4.3 / 5 (7) |
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(PhysOrg.com) -- NASA completed a full-scale rocket motor test on Thursday, July 17, to further development of the Orion jettison motor, which will separate the spacecraft's launch abort system from the crew ...
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Sprint to stop selling certain push-to-talk phones
9 hours ago |
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(AP) -- Sprint Nextel Corp. is giving up on a technology that allows some Sprint-branded phones to use a "push-to-talk" walkie-talkie service similar to what's available on the company's Nextel-branded phones.
Heavy metal paradox could point toward new therapy for Lou Gehrig's disease
Medicine & Health / Neuroscience
11 hours ago |
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New discoveries have been made about how an elevated level of lead, which is a neurotoxic heavy metal, can slow the progression of amyotrophic lateral sclerosis, or Lou Gehrig's disease - findings that could point the way ...
Study shows new brain connections form rapidly during motor learning
Medicine & Health / Neuroscience
Nov 29, 2009 |
4.8 / 5 (6) |
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(PhysOrg.com) -- New connections begin to form between brain cells almost immediately as animals learn a new task, according to a study published this week in Nature. Led by researchers at the University of Cal ...
RNA on the move
Nov 26, 2009 |
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In the fruit fly Drosophila, oskar mRNA, which is involved in defining the animal’s body axes, is produced in the nuclei of nurse cells neighbouring the oocyte, and must be transported to the oocyte and along ...
Brain's endocannabinoid signaling pathway kept in check by two enzymes
Nov 25, 2009 |
4.2 / 5 (5) |
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(PhysOrg.com) -- A research team has shown that blocking the degradation of two naturally occurring cannabinoids in the endocannabinoid signaling pathway of the brain produces marijuana-like behavioral effects in mice, according ...
Two molecules affecting brain plasticity
Medicine & Health / Neuroscience
Nov 25, 2009 |
4.9 / 5 (7) |
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(PhysOrg.com) -- You wouldn't want a car with no brakes. It turns out that the developing brain needs them, too.
Asian carp may have breached barrier protecting Lake Michigan
Nov 24, 2009 |
5 / 5 (5) |
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Two feared species of Asian carp have zoomed beyond the $9 million electric barriers built to keep them out of Lake Michigan. Now, the only thing left between the carp and the Great Lakes is a lock and dam in southern Chicago.
NASA Assessing New Roles for Ailing QuikScat Satellite
Space & Earth / Space Exploration
Nov 24, 2009 |
4 / 5 (1) |
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(PhysOrg.com) -- NASA mission managers are assessing options for future operations of the venerable QuikScat satellite following the age-related failure of a mechanism that spins the scatterometer antenna. ...
Dehydration Affects Mood, Not Just Motor Skills
Nov 24, 2009 |
2 / 5 (1) |
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(PhysOrg.com) -- Dehydration has long been known to compromise physical performance. Now, a new study provides insight into the effects of mild dehydration on young athletes, and possibly into the lives of ...
Acute stress leaves epigenetic marks on the hippocampus
Medicine & Health / Psychology & Psychiatry
Nov 24, 2009 |
4.7 / 5 (9) |
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(PhysOrg.com) -- Scientists are learning that the dynamic regulation of genes -- as much as the genes themselves -- shapes the fate of organisms. Now the discovery of a new epigenetic mechanism regulating genes in the brain ...
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