Tag Archive: conditions of life

Forces of “Nature” (part 3)

Physics

Straight up, with a twist: New model derives homochirality from basic life requirements Excerpt:  In every living thing on Earth, all amino acids are left-handed, and all sugars are right-handed. Glycine is an achiral amino acid. It is the only…
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What if Darwin was not still dead?

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What Would Darwin Think About Modern Darwinism? Excerpt: “Imagine if Darwin could be transported to the present and learn what has become of his theory. What would excite him the most? Would anything disturb or disappoint him? TVOL has polled…
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How fast can evolutionary theory be changed?

human-evolution

Boston, land of…creationists? Excerpt: “For example, right now a creationist with a Harvard science degree is lecturing in Boston on Evolution: Bankrupt Science; Creationism: Science You Can Bank On. Obviously, Dr Nathaniel Jeanson is one of the fruit loops who…
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Mute points: most are afraid to mention them

Physics

In discussion of anthropic theory and the fact that fundamental physical constraints underlie our life-enabling universe, Andrew Jones wrote: “Pathogenicity of E. coli 0157 has nothing to do with its temperature stability.” Like others who are biologically uninformed, Jones defies…
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Beneficial microbes kill beneficial mutations

genetic code RNA medium

Microbiology: Here’s looking at you, squid Margaret McFall-Ngai has dissected the relationship between a beautiful squid and its live-in bacteria — and found lessons for microbiome research on the way. Ed Yong 14 January 2015 Excerpt: “We now know that…
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A single amino acid substitution differentiates cell types of E. coli

Genetic code

Rare amino acid influences E. coli infection Excerpt: “They found that E. coli O157 is unable to attach itself to host tissue in high concentrations of D-Serine. Other strains, such as those that cause meningitis, thrive in the presence of…
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Meaningful dialogue, anonymous fools and idiot minions

human-evolution

I use definitions to describe differences in behavior. I do not define biologically-based facts in attempts to make the definitions fit into the context of ridiculous theories about the development of behavior. I am not an idiot. An idiot is…
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Achiral GnRH: no prophesy, just prediction

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Predictions build on facts, mysterious “tongues” do not. (1 Corinthians 14:2-4) Effective communication demands that audiences understand what serious scientists and theologians can or cannot predict. Predicting the end of evolutionary theory or the end of the world by focusing…
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We need pattern recognition, not a prologue

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Prolegomenon “a preliminary discussion…; a prologue.” “… we need a mapping from genotype to phenotype, from phenotype to what is selected, and from what is selected to the new genotype (Lewontin, 1961). — cited in Prolegomenon to patterns in evolution…
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From deep time into real time: What evolutionary processes?

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Rapid evolution of a native species following invasion by a congener Abstract excerpt: “…the lizard Anolis carolinensis moved to higher perches following invasion by Anolis sagrei and, in response, adaptively evolved larger toepads after only 20 generations.” My comment: This…
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