Scientific productivity is declining

String Theory

A team of Chinese and American researchers published on arXiv an article in September 2024 summarizing their study of the development of science and technology over more than two centuries. The study analyzes 213 million scientific articles published between 1800 and 2020, along with 7.6 million patents granted between 1976 and 2020.

The result of this study is the following: while the number of scientific publications has grown exponentially, the knowledge obtained by humanity grows linearly; in other words, the speed of knowledge acquisition is constant and does not grow in the same proportion as the number of publications.

Was Teilhard de Chardin persecuted for defending evolution?

Pierre Teilhard de Chardin

In a previous post I have mentioned some myths related to the persecution of scientists as a result of their scientific ideas, for religious reasons. I mentioned, for example, Giordano Bruno and Miguel Servet, wrongly presented as martyrs of science, when in reality they were persecuted for their religious ideas, not for their scientific activities, which in the case of Bruno were practically non-existent.

The presentation of a recently published video publicizes one of these myths, also widespread: the claim that Teilhard de Chardin was repressed by his Jesuit order for advocating evolution. That this is false can easily be deduced from the fact that Teilhard was able to publish dozens of articles on the evolution of the ancestors of man in scientific and philosophical journals of impact, without being prevented from doing so by his order. One of these journals was Études, edited by the Jesuits. A curious way of repressing him for advocating evolution.

Successes and failures in biological and environmental conservation

Usually, when the media talk about environmental conservation and endangered species, the news they give is almost always negative: Everything is going very badly; there are ever more species at risk of extinction; human activities are corrupting the environment; our planet is in danger of becoming a wasteland incompatible with life… Actually, when we say the highlighted phrase, we are using the trope called synecdoche in the form called macrocosm, that is naming the whole by the part, because it is not the planet that is in danger, but us, human beings, along with many other living beings.

I have just read a book published in 2012, written by Andrew Balmford and entitled Wild hope: on the front lines of conservation success, which tries to emphasize the opposite: not all the news is negative; lately there have been a few successes in the conservation of animal species in danger of extinction, or of environments endangered by human voracity. His analysis of these cases points to shortcomings in environmental conservation processes led by politicians, which sometimes achieve exactly the opposite of what they intended, as I indicated in this blog in a post published almost six years ago, entitled The ecological ignorance of ecologists.