Variations

Do not trust pseudoscientists

human-evolution

Trust a Scientist: Sex Addiction Is a Myth A psychologist explains why sex addiction therapy is more about faith than facts, as told to Tierney Finster Excerpt 1)  During withdrawal, the brains of addicts create junctions between nerve cells containing…
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Human pheromones: RNA-mediated theory killers

social interaction and brain

A Fear of Pheromones Excerpt: WHAT are we going to do if it turns out that we have pheromones? What on earth would we be doing with such things? With the richness of speech, and all our new devices for…
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Nutrient-dependent sustained fitness is pheromone-controlled

human-evolution

Sustained fitness gains and variability in fitness trajectories in the long-term evolution experiment with Escherichia coli Conclusion:  …adaptation and divergence are continuing unabated in the LTEE, even after many tens of thousands of generations in a constant environment. Reported as:…
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Gut bacteria and pheromones

Gut bacteria mediate aggregation in the German cockroach Reported as: Cockroach swarming pheromones produced by gut bacteria Excerpt: … their study highlights the previously overlooked effect of gut flora in communication among insects. Next, they plan to investigate whether gut…
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Sulfated steroids and RNA-mediated identity codes

terrarium eco system

Summary: In two studies of human pheromones we linked a mixture of androsterone and androstenol to increased flirtatious behavior and reports of increased attraction to the male wearing the mixture. This blog posts explains the reason for the use of…
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Refusing to integrate neuroendocrinology and ethology

rp_poster-from-jesse.jpg

Q&A: Karl Grammer Excerpt: We and others have identified eight pillars of beauty: youthfulness, symmetry, averageness, sex-hormone markers, body odour, motion, skin complexion and hair texture. I think this line of research is almost finished. It is no longer useful…
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Pheromone-induced odour learning

social interaction and brain

Mammary pheromone-induced odour learning influences sucking behaviour and milk intake in the newborn rabbit Excerpt: “…several results showed that pups could learn different odorants during successive days of conditioning, and that the more recently acquired cue was the most influential…
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Pheromones, GnRH, and early diagnosis

mindseyes

Skin odour could lead to early diagnosis of Parkinson’s Excerpt: Professor Perdita Barran, of the University of Manchester, aims to identify differences in chemicals present on the skin surface of people with Parkinson’s. Reported as: The amazing woman who can…
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De novo creation of olfactory receptor genes

terrarium eco system

Large-scale transcriptional profiling of chemosensory neurons identifies receptor-ligand pairs in vivo Reported as:  Deciphering the olfactory receptor code Excerpt: Its applications, countless, extend for example to the domain of chemicals able to trigger predetermined behaviors in mammals or in insects,…
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Ecological validity vs evolutionary theory

Genetic code

Functional characterisation of a SNP in the ABCC11 allele—Effects on axillary skin metabolism, odour generation and associated behaviours Excerpt: …the fact that a single SNP plays such a large role in governing this specific aspect of human behaviour is quite…
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