Microbes

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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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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Human pheromones: What should these idiots do next?

rp_AchemS-poster-11-300x200.jpg

Human pheromones: Where did we go wrong? What should we do next? Excerpt: …if we are to find human pheromones, we need to treat ourselves as if we were a newly discovered mammal, and use the rigorous chemical methods and…
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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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Science fiction, not theories, predicts facts

The past is not the key to the present

Electric fields affect wing movement, leading to agitation and changes in brain chemistry Excerpt: The effect on the wings being moved seems to agitate the flies, as revealed by changes in their brain chemistry. Flies exposed to an electric field…
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“Evolution” of two sexes?

social interaction and brain

Selection for mitochondrial quality drives the evolution of two sexes with germline Topics included (among others): CORRELATION BETWEEN ANIMAL DEVELOPMENT AND MITOCHONDRIAL EVOLUTION THE MODEL: SIMULATION, MATHS TOO COMPLICATED TO SOLVE Mt VARIATION BETWEEN GAMETES MAKES SOMATIC GAMETOGENESIS ADVANTAGEOUS IN…
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Finding it and Perfuming the Mind

human-brain

Microbes Effect on the Brain Excerpt: In flies with a particular microbe, they only want to mate with others who have that microbe. This occurs because of a smell from the microbe. In groups of hyenas, groups identify their social…
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