Sex differences in behaviour not always controlled by sex hormones

Sex differences in cognition and behavior–such as increased aggression in males–are usually thought to involve hormones, which can “masculinize” or “feminize” a brain temporarily or permanently. But now, a mouse study shows that some sex-linked genes don’t need hormones to shape male and female behavior.
 
The Y chromosome in males have been identified to contain the [...]

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Nobel Prize in Physiology/Medicine 2007, Announced

And it goes to :
Mario R. Capecchi, Martin J. Evans and Oliver Smithies for their discoveries of “principles for introducing specific gene modifications in mice by the use of embryonic stem cells”
Mario R. Capecchi, born 1937 in Italy, US citizen, PhD in Biophysics 1967, Harvard University, Cambridge, MA, USA. Howard Hughes Medical Institute Investigator and [...]

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Some thing more on genetics of the brain….

We have discussed what intelligence means and how it is inherited, I would like the readers to follow me thru a small digression where we will have a “zoom-in” on the exact ways by which genes work in the brain.
The technical details might be indigestible to the general reader hence an oversimplified version of [...]

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Intelligence : Myths and reality

We have always referred to people with exceptional abilities as “smart”, “clever” or “bright”. By doing so, we unconsciously recognize the existence of a number of different intelligence-subtypes. It has now become a commonsense notion that there exist certain types of intelligence like “arithmetic” intelligence, an “artistic” intelligence, a “commonsense” intelligence, a “cognitive” intelligence, “semantic” [...]

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