From Nature magazine The carbon clock is getting reset. Climate records from a Japanese lake are set to improve the accuracy of the dating technique, which could help to shed light on archaeological mysteries such as why Neanderthals became extinct. Carbon dating is used to work out the age of organic material — in effect, any living thing. The technique hinges on carbon, a radioactive isotope of the element that, unlike other more stable forms of carbon, decays away at a steady rate.
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The New Rules for Dating Across an Age Gap
The New Rules for Dating Across an Age Gap | Mind the Gap. But Don't Mind It Too Much.
The Rules Revisited I've dated countless women and it has always amazed me how little they know about men. If nothing else, this blog is an outlet for voicing my astonishment at the typical female's ignorance of the male mindset. At most, it is a reliable source of advice for women who want to improve their chances with the opposite sex. Sunday, February 17, Female Game for Women in Their 30s [This is the third of a three-part series that describes how to focus your dating efforts in your teens, twenties and thirties. Making yourself as attractive as possible Making yourself approachable Filtering out the men that just want to have sex with you from the men that want to date you While these general stages apply to all women, a woman's age, experience and eligibility should factor heavily into her approach to dating if she wants to eventually find a man to settle down with. Therefore, various aspects of these three stages - or the components of each one - are more or less important at different times in a woman's life. As a girl in your thirties, you are past or moving out of your most eligible years, and should adapt your game accordingly.
Age disparity in sexual relationships
After years of concern that girls were being shortchanged in male-dominated schools, especially in math and science, there has grown a rising chorus of voices worrying about whether boys are the ones in peril. Other authorities, such as Susan McGee Bailey, executive director of the Wellesley Centers for Women at Wellesley College and principal author of the AAUW report How Schools Shortchange Girls, reject such concerns and instead contend that ingrained sexism and gender roles continue to hamper K—12 schooling for both boys and girls. What does the evidence say?
A theory that can explain this finding from an evolutionary perspective is the parasite-stress theory which explains that an increase of infectious disease can cause humans to evolve selectively according to these pressures. Evidence also shows that as disease risk gets higher, it puts a level of stress on mating selection and increases the use of polygamy. In regions such as Sub-Saharan Africa the use of polygyny is commonly practiced as a consequence of high sex-ratios more males born per females and passing on heterozygous diverse genetics from different females to offspring. Another reason that polygynous communities have larger age-gaps between spouses is that intrasexual competition for females increases as fewer females remain on the marriage market with males having more than one wife each , therefore the competitive advantage values younger females due to their higher reproductive value.