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.

XXI. Getting Toxo, quick and easy – risk factors for toxoplasmosis

Another topic we studied long-term in our laboratory, but none too systematically, regards the effect of various risk factors on the likelihood of catching Toxoplasma. When we had our test subjects complete questionnaires, we almost always included questions related to possible risk factors that the person might have come into contact with Toxoplasma. Among other things, we discovered that in Czech population, the main risk of infection comes not from having a cat, but a rabbit. >> Read more

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