I believe, at least in The United States, HIV was discovered, in the early 80's, among the homosexual male community.
Just to say that HIV was transmitted into the our species, how can its prevalence in the homosexual community be explained.
Just curious...
A while ago, I remember reading that it was shown, in a scientific study, that exercise can cause the regeneration of neurons.
Does anyone else know anything about this?
Believe it or not, but someone at my school (University of Pittsburgh) tried to use this discovery as a way to prove the "bias" within the science community.
See for yourself:
http://www.pittnews.com/vnews/display.v/ART/2005/01/25/41f613c328202
Yes, I'm interested in knowing whether it actually is possible to grow new nerve cells. I'm in a college biology class right now, and my Professor distinctively said that nerve cells do not grow back. So if there really is a new scientific discovery, of regenerating neurons, my Prof. hasn't heard of it yet.
When I read the article, I assumed that the Scientist took the brain cells from mice stem cells and then cultured them. Is this far off?
My main problem is that I don't see the evolutionary advantage for the differences. Why would men need to develop a "lateralized" brain? I would think that the women that developed these skills, who could hunt as well as take of the young, would have an evolutionary advantage, and develop this type of brain as well. What about the man who developed better language skills?
Are we to believe that you can have one and not the other?
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