The sum of absolute circadian shifts: Questioning the metric linking daylight saving time policy to stroke and obesity

YouTube video by José María Martín-Olalla

The search for the liquid-liquid critical point in supercooled water is challenging owing to rapid crystallization. We studied supercooled water at timescales before ice formation by heating high- and...

YouTube video by José María Martín-Olalla

YouTube video by José María Martín-Olalla

The Nernst heat theorem is proven from purely thermodynamic arguments connected with the second law of thermodynamics. The proof stipulates that $$T=0$$ T = 0 is formalized by a Carnot thermometer, an...

El profesor José María Martín Olalla, profesor de la facultad de física de la Universidad de Sevilla, nos habla de esta investigación que desafía la interpretación que hizo Einstein sobre los principios de la termodinámica.

YouTube video by CUENTOS CUÁNTICOS

YouTube video by CUENTOS CUÁNTICOS

Nernst's theorem—a general experimental observation presented in 1905 that entropy exchanges tend to zero when the temperature tends to zero—has been directly linked to the second principle of thermodynamics in a paper published in The European Physical Journal Plus, whose sole author is University of Seville professor José Martín-Olalla.

The Nernst heat theorem is proven from purely thermodynamic arguments connected with the second law of thermodynamics. The proof stipulates that $$T=0$$ T = 0 is formalized by a Carnot thermometer, an...

For years, Congress has tried to put a lock on the clock, get rid of seasonal time change and decide whether to make daylight saving time or standard time permanent. A Senate committee hearing Thursda...

A series of 98 plots comparing the daily rhythm of life in Spain vs the countries that reported time use surveys to HETUS round 1. File name code: XXES_[string]_01_eng.png XX iso 3166-1 alpha 2 code o...

Intervención en el programa de A Crónica de A Galega el viernes 28 de marzo del 2025 a cuentas del cambio estacional de la hora oficial. Entrada en directo a las 20:24.

YouTube video by José María Martín-Olalla

We provide an evidence-based position on the seasonal regulation of clocks daylight saving time (DST) that challenges position papers by sleep associations against the practice. We review the acute, s...

We provide an evidence-based position on the seasonal regulation of clocks daylight saving time (DST) that challenges position papers by sleep associations against the practice. We review the acute, short-term impact and the chronic, long-term impact of ...

We provide an evidence-based position on the seasonal regulation of clocks daylight saving time (DST) that challenges position papers by sleep associations against the practice. We review the acute, s...

La actualidad de Sevilla.

A new paper says seasonal clock changes help align human activity with the sunrise, but the practice is associated with numerous health risks

A new paper says seasonal clock changes help align human activity with the sunrise, but the practice is associated with numerous health risks

Apoiada en estudos científicos, a catedrática de Pediatría da USC María Rosaura Leis defendeu en cambio un horario invernal permanente como “a mellor opción para a saúde pública” Os catedráticos das F...

We provide an evidence-based position on the seasonal regulation of clocks daylight saving time (DST) that challenges position papers by sleep associations against the practice. We review the acute, s...

An emerging body of research suggests that twice-yearly clock adjustments may have negative impacts on health, leading some experts to advocate for a permanent time.In 2023, the American Academy of Sl...

An emerging body of research suggests that twice-yearly clock adjustments may have negative impacts on health, leading some experts to advocate for a permanent time.In 2023, the American Academy of Sl...