Macaque Mothers Favor Their Sons
The Trivers Willard Hypothesis predicts that under certain conditions, individuals will bias their investment in offspring differently depending on the sex of the offspring. It is believed that this...
View ArticleWhy is There no Birth Control Pill for Men?
Why is there no Birth Control Pill for men? This latest “Ask a ScienceBlogger” question will certainly engender a wide range of responses from the Scienceblogs.com team. Answers may address physiology,...
View ArticleSex Ratio Bias in India
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...
View ArticleEffective Polygyny in Humans: Turns out it is for real
Human societies tend to be at least a little polygynous. This finding, recently reported in PLoS genetics, does not surprise us but is nonetheless important. This important in two ways: 1) This study...
View ArticleMacaque Mothers Favor Their Sons
The Trivers Willard Hypothesis predicts that under certain conditions, individuals will bias their investment in offspring differently depending on the sex of the offspring. It is believed that this...
View ArticleFinches Determine Sex of Offspring
As you know if you read my blog, Trivers Willard is an important theoretical construct which has been tested numerous times. TW works in some species, not in others, and overall, that should be...
View ArticleMail Order Brides and Hypergyny
Seymour had a mail order bride and he was very proud. Seymour was a night watchman that I got to know because I was forever lurking around at night, passing through alarmed doors and making a nuisance...
View ArticleThe Natural Basis for Inequality of the Sexes
Is the Natural World a valid source of guidance for our behavior, morals, ethics, and other more mundane areas of thought such as how to build an airplane and what to eat for breakfast?1 When it comes...
View ArticleTiger Woods has gone too far.
I did not get on the Tiger Hating bandwagon when it was revealed that he had a wife and 19 girlfriends. First, I’m sure they were all having a great time at some point. Second, I can see where his wife...
View ArticleTime Trauma Truth and Other Matters
First of all, I want you to know that I’ve devoted my life to this blog post so now you have every reason to love it more than any other blog post. Sniff sniff. Or, could it be that I’ve been watching...
View ArticleWhitey Bulger Convicted, and the Trivers Willard Hypothesis
Whitey Bulger has finally been convicted of a small percentage of all the bad things he is said to have done. The Boston Globe has the details. James J. “Whitey” Bulger, the notorious Boston gangster...
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