The same holds true for differences between the races.
Where Mr. O'Reilly tried, however clumsily, to narrow differences between the races, Mr. Thomas emphasized them.
What biological differences between the races have serious scientists already confirmed?
If there really are genetically based physical differences between the races -- differences that go deeper than skin color -- then there might be genetically based psychological differences too.
Also surprising was that so many of the students and new physicians did not believe true statements about biological differences between the races, Hoffman said.
They include hundreds of private letters, some outlining his interest in genetic differences between the races and concerns about the country's changing ethnic mix.
He grew up primarily in the American South, where there has never been a shortage of rhetoric about supposed differences between the races, much of it unspeakably venomous.
Like Jonathan Marks ("A Feckless Quest for the Basketball Gene," Op-Ed, April 8), I am baffled by those who conclude that the dominance of a racial group in a profession is clear evidence of related genetic differences between the races.
Since it turns out that all humans are descended from a small number of African ancestors in our recent evolutionary past, believing in profound differences between the races is as ridiculous as believing in a flat earth.
Richwine wrote in his doctoral dissertation at Harvard University in 2009 that there are deep-seated and likely genetic IQ differences between the races and that low-IQ immigrants should be kept out of the country.
Scientific research showing no significant genetic or biological differences between the races can be counterintuitive: in the film, a black high school student who assumed he would have fewer differences in his DNA with another black student than with a white student, was surprised to learn he was wrong.
