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Brains


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why do dogs have bigger brain than cats

DO dogs have proportionately bigger brains? Maybe... There are a couple of possible explanations, including the semi-literate one in your link. Sociality does seem to require some extra brain power. Another possibility may be linked to smaller ...

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by Darby
Sun Mar 22, 2015 7:25 pm
 
Forum: Zoology Discussion
Topic: why do dogs have bigger brain than cats
Replies: 2
Views: 164

RNA isolation from brain sections

... time it takes to cut the sections and then punch them is too long for good RNA isolation. Is this true? Secondly, I'd like to take fresh frozen brains that are sectioned on a microtome (20 um to 200 um) and cut out particular brain regions to extract RNA. So, here are some questions: 1) any ...

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by protoemics
Fri Mar 20, 2015 2:19 am
 
Forum: General Discussion
Topic: RNA isolation from brain sections
Replies: 0
Views: 37

Re:

MRI scan of human brains have shown that the brains of different races are of different sizes. The Worldwide Pattern of IQ Scores. East Asians average higher on IQ tests than Whites, both in the U. S. and in Asia, even though IQ tests ...

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by Seth90210
Wed Feb 25, 2015 2:37 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 75
Views: 332781

Brain size=IQ level theory (Blacks vs Whites & Asians)

MRI scan of human brains have shown that the brains of different races are of different sizes. The Worldwide Pattern of IQ Scores. East Asians average higher on IQ tests than Whites, both in the U. S. and in Asia, even though IQ tests ...

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by CandyTon
Sat Feb 07, 2015 3:24 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 75
Views: 332781

Brain size=IQ level theory (Blacks vs Whites & Asians)

I think there is no correlation between brain size and IQ level. If compare brains of whale and elephant with humans, ours is too small. But we have very high intelligence. I think some connections between neurons or some unknown factors determine intelligence.

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by josem
Mon Oct 27, 2014 9:12 pm
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 75
Views: 332781
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