Category Archives for Evolution

Forest Bathing Improves Health

The Japanese have a concept called “Shinrin-yoku”, which has been translated as “forest bathing”. The idea refers to staying relatively long periods, several hours to several days, in

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The sweet taste of death: glucose triggers apoptosis during yeast chronological aging

The sweet taste of death: glucose triggers apoptosis during yeast chronological aging. As time goes by, a postmitotic cell ages following a degeneration process ultimately ending in cell death. This phenomenon

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Illness in childhood predicts face preferences in adulthood

Illness in childhood predicts face preferences in adulthood The value of different mate choices may depend on the local pathogen ecology and on personal infection susceptibility: when there is a high risk

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Asymmetries in altruistic behavior during violent intergroup conflict

Asymmetries in altruistic behavior during violent intergroup conflict Recent theoretical and experimental investigations of altruistic behavior in intergroup conflict in humans frequently make use of the

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Happy guys finish last: the impact of emotion expressions on sexual attraction.

Happy guys finish last: the impact of emotion expressions on sexual attraction. This research examined the relative sexual attractiveness of individuals showing emotion expressions of happiness, pride,

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Friendship and Natural Selection

Friendship and Natural Selection Nicholas A. Christakis, James H. Fowler(Submitted on 23 Aug 2013)More than any other species, humans form social ties to individuals who are neither kin nor mates, and

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Of night owls and psychopathy

Study finds night owls more likely to be psychopaths People who stay up late at night are more likely to display anti-social personality traits such as narcissism, Machiavellianism, and psychopathic tendencies,

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Evolution and diseases of afluence

Lifestyle and nutritional imbalances associated with Western diseases: causes and consequences of chronic systemic low-grade inflammation in an evolutionary context In this review, we focus on lifestyle

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The heritability of life-history strategy

The heritability of life history strategy: The k‐factor, covitality, and personality Archival data from the MIDUS survey (Brim et al., 2000), a nationally representative sample, on 309 MZ and 333 DZ

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Fitness costs and benefits of personality disorder traits

Fitness costs and benefits of personality disorder traits Extreme personality traits in humans often have detrimental life consequences, so they have long been supposed to be diseases. However, many other

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Adiposity in human mate choice

Adiposity, compared with masculinity, serves as a more valid cue to immunocompetence in human mate choice According to the ‘good genes’ hypothesis, females choose males based on traits that indicate

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Evolution and fertility

Evolution, Fertility and the Ageing Population Jason Collins University of Western Australia – UWA Business School Oliver J. Richards Australian Treasury December 22, 2012 UWA Economics Discussion

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East African distance runners

Kenyan and Ethiopian distance runners: what makes them so good? Wilber RL, Pitsiladis YP.Source Athlete Performance Laboratory, United States Olympic Committee, Colorado Springs, CO, USA.Abstract Since

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The Myth of Promiscuity

The Myth of Promiscuity (pdf) is a review of Lynn Saxon’s Sex at Dusk, which is itself a reply to the book Sex at Dawn. This review is a must-read for anyone interested in either evolutionary psychology

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Artificial natural selection

Artificial natural selection: Can supplemental feeding domesticate mosquitoes and control mosquito-borne diseases? Abstract A new method is proposed for controlling mosquito-borne diseases. In particular,

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Testing the Trivers-Willard Hypothesis Using Mothers’ Milk

In poor families, mothers’ milk is richer for daughters than sons: A test of Trivers-Willard hypothesis in agropastoral settlements in Northern Kenya. Fujita M, Roth E, Lo YJ, Hurst C, Vollner J,

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Male Height Signifies Authority

High and mighty: Height increases authority in professional refereeing ABSTRACT Throughout the animal kingdom, larger males are more likely to attain social dominance. Several lines of evidence suggest

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Women’s body movements are a potential cue to ovulation

Women’s body movements are a potential cue to ovulation Abstract Recent evidence suggests that the concept of ‘concealed ovulation’ in women should be reconsidered, as there appear to be certain

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