Model Organisms

Nutrient-dependent cooperation vs cannibalism (video)

Contributions of VLDLR and LRP8 in the establishment of retinogeniculate projections reported as: Researchers find surprising relationships in brain signaling Excerpt: “…the glycoprotein Reelin is crucial to developing healthy neural networks. Logically, taking away the two receptors that Reelin is known to act on early in the brain’s development should create the same malformations as taking away Reelin itself.  It didn’t. My comment: Differences in glucose metabolism lead to differences in cell types via receptor-mediated behavior. Mutated receptors are ecological dead ends because…

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Another powerful refutation of mutation-initiated natural selection

Brain regions thought to be uniquely human share many similarities with monkeys Date: January 28, 2014 Summary: New research suggests a surprising degree of similarity in the organization of regions of the brain that control language and complex thought processes in humans and monkeys. The study also revealed some key differences. The findings may provide valuable insights into the evolutionary processes that established our ties to other primates but also made us distinctly human. Excerpt: “…some uniquely human cognitive traits may…

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Chromosomal rearrangements and ecological adaptations

PZ Myers is an atheistic biology teacher who believes in mutation-driven evolution. Myers thinks I am  “crank” and he compared me to John A. Davison, who Myers also thinks is a crank. According to Myers, Davison was a crank for proposing a theory that Evolution was all due to chromosome rearrangements… Discussion of who’s the crank ensured with more misinformation than I have ever seen spread by evolutionary theorists and atheists across 740 posts to Myers blog. Every comment I made was…

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Jay R. Feierman

In his posts that I have linked below, Jay R. Feierman takes us from random mutations on which natural selection acts to natural selection for phenotypes and changes in the brain that lead to increased reproductive success. According to him, the change in the brain can be called an adaptation. In my model, ecological variation and nutrient-dependent pheromone-controlled epigenetically-effected ecological, social, neurogenic, and socio-cognitive niche construction enable organismal complexity of the human brain. Ecological variation links the epigenetic landscape to…

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Pulses of olfactory/pheromonal input

Signal and noise: Spike correlations in the olfactory system by John Hewitt Excerpt: “The olfactory system is not so much a hard-wired telephone network where channels can be instantaneously specified and connected by number codes, and then used to transmit further codes. There is significant overgrowth and back-pruning in olfactory networks during development, and some ongoing cell replacement, but once etched, many of its larger features remain stable.” My comment: This comparison is meaningful: “…any message can not stand out…

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Your comment is awaiting moderation

After I posted 5 of the 14 comments to the National Geographic site during discussion of Mercenary Ants Protect Farmers With Chemical Weapons by Ed Yong, I got the message: “Your comment is awaiting “moderation” Typically, that means I will not be allowed to continue participation in the discussion I started, which is why I am blog-posting my comment here. Perhaps I have been too harsh in my responses to people who keep politely telling me I am WRONG. Perhaps,…

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Nutrient-dependent pheromone-controlled stickleback evolution

Sexual imprinting on ecologically divergent traits leads to sexual isolation in sticklebacks Excerpt: “Odour differences may be owing to pleiotropic effects of adaptive differences in diet [18], habitat [12] and major histocompatibility complex (MHC) alleles selected by parasite differences [19,20].” Excerpt: “…imprinting has turned odour and nuptial coloration into magic traits.” My comment: In my model, natural odour production in vertebrates is not a magic trait. It results from the role of food odours in nutrient-dependent RNA-mediated ecological niche construction.…

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