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Pere Renom

“We have given you, O Adam, no visage proper to yourself, nor endowment properly your own, in order that whatever place, whatever form, whatever gifts you may, with premeditation, select, these same you may have and possess through your own judgement and decision […] We have made you a creature neither of heaven nor of earth, neither mortal nor immortal as the free and proud shaper of your own being, fashion yourself in the form you may prefer.”
Oration on the Dignity of Man – Giovanni Pico della Mirandola

Tot es mou tv3

Masked

published on 2.04.2020

The use of the mask to deal with the coronavirus epidemic is a highly controversial topic. There are specialists who recommend it at all times, and others, who consider it necessary only in certain circumstances. This controversy arises basically because there are many uncertainties regarding the direct transmission of the virus. It is not known […]

Coronavirus arms race

published on 31.03.2020

Ecologists often speak of the Red Queen hypothesis, as a metaphor for describing certain evolutionary dynamics. The expression was extracted from Lewis Carroll’s novel, “Alice through the Looking Glass“, where Alice visits the country of the Red Queen, and discovers that you have to run there not to move around. This dynamics has been detected […]

Breathe despite coronavirus

published on 27.03.2020

These days we are seeing that unfortunately the death toll from coronavirus continues to grow. In Spain alone until today, March 26, 2020, there have been more than 4,100 victims, overtaking China, where the epidemic was declared. How does the coronavirus kill? It has been said several times that it infects the airways and generally […]

Chasing after the vaccine

published on 20.03.2020

The infectious diseases that more people have killed throughout history are the black plague, caused by a bacterium (Yersinia pestis) and smallpox, caused by a virus (Variola major). Smallpox is believed to have emerged in the Neolithic revolution about 10,000 years ago. Evidence has been found in Egyptian mummies from the 3rd century BC. Over […]

Utility of social distancing

published on 17.03.2020

Despite teleworking, social distancing due to the coronavirus epidemic gives us the possibility of having more free time, and we can us it to play board games. Games also serve to explain metaphorically the usefulness of social distancing. The key parameter to assess the infectious capacity of the virus is called R0 (transmission rate or […]

Exponential contagion?

published on 12.03.2020

In recent weeks (February-March 2020) we are seeing the coronavirus epidemic spread in many western countries, both in Europe and in North America. The trend is very similar to what was seen in China a couple of months ago. At this point the cases grow exponentially. To understand what it means exponentially we can observe […]

Maria Sibylla Merian, the first entomologist

published on 5.03.2020

Maria Sibylla Merian was a German entomologist from the 18th century. She published several profusely illustrated works where she described the biological cycle of some 200 species of insects and amphibians. She founded the first academy of scientific illustration exclusively for women. And she traveled to Suriname (South America), then a Dutch colony, to study […]

The calendar scrolls

published on 27.02.2020

2020 is leap, therefore the month of February has 29 days. This modification of the calendar only occurs every 4 years, in order to adjust to the terrestrial translation, which instead of having an exact duration of 365 days, has 365 days, 5 hours, 48 ​​minutes and 45.10 seconds. In fact, the correction also implies […]

The mobile’s chemistry

published on 20.02.2020

The mobile is such a powerful device that it attracts us with a special chemistry. We have it with us even when we go to the bathroom. But its chemistry has deeper bonds. In fact, it contains an important part of the periodic table. The Russian chemist Dimitri Mendeleev conceived it in 1869 by observing […]

Rubik’s Cube Mathematics

published on 12.02.2020

The Rubik’s Cube is one of the most popular toys in history. Since its launch in the 1980s, more than 400 million units have been sold worldwide. It was invented in 1974 by the professor at the Budapest Academy of Applied Arts and Design Ernö Rubik to explain structural engineering to students. Today, it is […]