Popular Science


Collection of my brief articles on popular science. Most have also been published in Spanish.
Full list at: https://manuelalfonseca.acta.es/docs/papersd.htm.

Manuel Alfonseca

Thursday, April 26, 2018

Evolution in the twenty-first century

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A little over thirty years ago, during the eighties, some of the fundamental concepts of evolution seemed to be quite clear. Let us loo...
Thursday, April 19, 2018

The end of the selfish gene

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The German biologist August Weismann (1834-1914) was one of the most influential biologists of the late nineteenth century. His most impo...
Thursday, April 12, 2018

Epigenesis and epigenetics

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Fertilization of the egg by the sperm In the previous post we saw that at the beginning of the 19th century the theory of epigenesis se...
Thursday, April 5, 2018

Preformation and epigenesis

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The history of the evolution of scientific theories about embryonic life (the origin of living beings) is very curious. I will try to sum...
Thursday, March 29, 2018

About the social order

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In a comment to the Spanish version of a previous article in this blog , JI Gs wrote this: All societies have an explicit social order, ...
Thursday, March 22, 2018

Can there be life without the weak interaction?

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Beta and neutron decay On January 30, 2018, the Science News magazine commented on an article recently published in arXiv which states...
Thursday, March 15, 2018

Dark energy again

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Albert Einstein In a previous article I mentioned that Einstein introduced a third term in the right side of his cosmological equation...
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Manuel Alfonseca
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