Sex Differences:
The phrase "genomic imprinting" has come to refer the turning off of a gene (a particular instance of a gene on a particular chromosome duplicated across the cells in a body) so that the gene is not expressed at all, with the turning off of...
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Posted on July 23, 2008 3:30 PM • 1 Comments •
Sometimes boys are worth more, sometimes girls are worth more. In an evolutionary sense. Or, more correctly, the value of a certain sex ... as an offspring ... can be measured in fitness terms. Fisher noted this and hypothesized this was the explanation for the...
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Posted on June 24, 2008 9:50 PM • 11 Comments •
Check it out: Emma McGrattan, the senior vice-president of engineering for computer-database company Ingres-and one of Silicon Valley's highest-ranking female programmers-insists that men and women write code differently. Women are more touchy-feely and considerate of those who will use the code later, she says. They'll...
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Posted on June 17, 2008 5:10 PM • 11 Comments •
MIT researchers found that phalaropes depend on a surface interaction known as contact angle hysteresis to propel drops of water containing prey upward to their throats. Photo by Robert Lewis The Phalarope starts out as an interesting bird because of its "reversed" sex-role mating...
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Posted on May 17, 2008 8:34 AM • 0 Comments •
Can you believe this guy? Check it out: The French anthropologist Claude Levi-Strauss once proposed that humanity began with cooking. [a Twin Cities anthropologist] says love may have begun with cooking, as well. ... The earliest human ancestors, some kind of chimp-like apes, were living...
Posted on February 13, 2008 3:43 PM • 5 Comments •
One of the most compelling argument that the story of Noah's Ark is made up is the implausibility of having animals like tigers and lions together with animals like lambs and deer on the same boat for very long. The big carnivores would eventually eat...
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Posted on February 12, 2008 6:05 PM • 5 Comments •
Bad News: It's a Big Lizard!! According to a report noted in Evolving in Kansas, Komodo Dragons have been hatched in Sedgwick County without fertilization by a male. There are two of them, both males. (Isn't that interesting?) ... I think they should name them...
Posted on February 9, 2008 12:29 PM • 5 Comments •
There many ways of dividing up and categorizing Natural Selection. For example, there are the Natural Selection, Sexual Selection and Artificial Selection, and then there is the Modes of Selection (Stabilizing, Directional, and Disruptive) trichotomy. We sense that these are good because they are "threes"...
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Posted on February 3, 2008 1:00 PM • 0 Comments •
... but it might be a sexual organ... The Federal Communications Commission has proposed a $1.4 million fine against 52 ABC Television Network stations over a 2003 broadcast of cop drama NYPD Blue....The fine is for a scene where a boy surprises a woman as...
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Posted on January 26, 2008 6:00 PM • 9 Comments •
Is chimpanzee food sharing an example of food for sex? One of the most important transitions in human evolution may have been the incorporation of regular food sharing into the day to day ecology of our species or our ancestors. Although this has been recognized...
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Posted on January 21, 2008 11:27 AM • 1 Comments •
