News tagged with motor


RNA on the move

RNA on the move

Biology / Cell & Microbiology

created Nov 26, 2009 | popularity not rated yet | comments 0

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 ...


Dehydration Affects Mood, Not Just Motor Skills

Dehydration Affects Mood, Not Just Motor Skills

Medicine & Health / Other

created Nov 24, 2009 | popularity 2 / 5 (1) | comments 1

(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 ...





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NASA Assessing New Roles for Ailing QuikScat Satellite

NASA Assessing New Roles for Ailing QuikScat Satellite

Space & Earth / Space Exploration

created Nov 24, 2009 | popularity 4 / 5 (1) | comments 1

(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. ...


Acute stress leaves epigenetic marks on the hippocampus

Medicine & Health / Psychology & Psychiatry

created Nov 24, 2009 | popularity 4.6 / 5 (8) | comments 0

(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 ...


Brain's endocannabinoid signaling pathway kept in check by two enzymes

Medicine & Health / Research

created Nov 25, 2009 | popularity 4.2 / 5 (5) | comments 3

(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 ...


Asian carp may have breached barrier protecting Lake Michigan

Biology / Ecology

created Nov 24, 2009 | popularity 5 / 5 (5) | comments 0

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.


Two molecules affecting brain plasticity

Medicine & Health / Neuroscience

created Nov 25, 2009 | popularity 4.8 / 5 (6) | comments 1

(PhysOrg.com) -- You wouldn't want a car with no brakes. It turns out that the developing brain needs them, too.



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