Tag: "gray" at biology news
Intelligence in men and women is a gray and white matter
... shows women having more white matter and men more gray
matter related to intellectual skill, revealing th...al, men have approximately 6.5 times the amount of gray
matter related to general intelligence than women, and women have nearly 10 times the amount of whit...
Scientist discover the cellular roots of graying hair
...h and quickly went gray. It may be that people who gray
prematurely have mutations that knock out Bcl2 activity, Fisher says. "This tells us there is a requirement for Bcl2 in normal hair follicle cycling," adds Fisher. "So the question is: what in the hair follicle is signaling the stem cells that is abs...
Cigarette smoking exacerbates alcohol-induced brain damage
...ic imaging measures of common brain metabolites in gray
and white matter of the major lobes, basal ganglia, midbrain and cerebellar vermis. Measures of neurocognitive functioning and laboratory markers of drinking severity and nutritional status were also compared. "Results indicate that chronic cigarett...
Wolves gone, western ecosystems suffer
... the American West. The near extinction of the gray
wolf across most of the West in the past century n...est Ecology and Management, outline a role for the gray
wolf that is complex and rarely understood, but helps explain many major problems facing western str...
The lost genetic legacy of American gray wolves
...ology, suggests that plans to reintroduce American gray
wolves to the Western US will not restore the popu...nation program ever practiced by a government, the gray
wolf was eradicated from the Western US and Mexico by the mid-20th century. However, this extinction...
Invasive sea squirt alive and well on Georges Bank
...Note the relatively few holes in the mat where the gray
background is visible. Northern Georges Bank (41 ...Note the relatively few holes in the mat where the gray
background is visible. Northern Georges Bank (41 deg 54.429 min N lat, 67 deg 27.146 min W lon). W...
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