Frozen Evolution book

Most biologists and biology students think that evolutionary biology is basically a closed chapter of science. But what if this is not the way things are? What if evolutionary biology underwent a quite fundamental revolution in the 70's and 80's of the past century, following which all the textbooks in this field should basically be rewritten?  >> Read more

Frozen plasticity theory

This theory suggests a mechanism of the origin of adaptive traits in sexual organisms. The classical Darwinian mechanism of the origin of adaptive traits by natural selection can explain the evolution of such traits only under a very special situation, e.g., in a genetically homogeneous population of asexual organisms. The frozen plasticity theory is much more general: It can also explain the origin and evolution of adaptive traits in a genetically heterogeneous population of sexual organisms. >> Read more

Watch out for Toxo! The Secret Guide to Practical Science.

XIV. Cherchez la testostérone!

When we discovered that Toxo positive and negative men differ in the length ratio of their fingers, as well as body height, we immediately considered the possibility that the relative differences in psyche and morphology could be caused by a change in testosterone levels. Testosterone levels are known to have a significant effect on a number of human characteristics, ranging from behavior to anatomical proportions. One of these characteristics is the masculinity of an individual’s appearance. >> Read more

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