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, January 22, 2026

Natural and artificial intelligence

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As we saw in the previous post, the book Free Agents by Kevin Mitchell deals with the origins of human consciousness and free will. In a br...
Thursday, January 15, 2026

The future is not written

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In several posts in this blog, I've discussed determinism, always from a critical perspective. For example, in a post entitled  The deba...
Thursday, January 8, 2026

The problem of the origin of life

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In a previous post titled Paul Davies, popularizer of science , I mentioned the two hard problems of modern science, so called because afte...
Thursday, December 18, 2025

A New Time Travel Paradox

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It is well-known that time travel into the past, and sometimes also into the future, if it were possible, could give rise to destructive p...
Thursday, December 11, 2025

The worldview of Louis Pasteur

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Louis Pasteur Louis Pasteur was, without a doubt, one of the greatest scientists of the 19th century. His scientific work was immense. Amon...
Thursday, December 4, 2025

Science and hypothesis

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Henri Poincaré As a scientist, Henri Poincaré was a mathematician who worked in many fields of that science, both theoretical and applied, ...
Thursday, November 27, 2025

The origins of man

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The title of this post is similar to the title of a work by Charles Darwin,  The descent of Man ,  his second most famous, although it can...
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Manuel Alfonseca
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