University of Zaragoza
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Professor of Machines and Heat Engines at the University of Zaragoza, and Head of the Industrial Ecology group at the Energaia Institute
Postdoctoral researcher of the Q-MAD group at the Institute of Nanoscience and Materials of Aragon (INMA)
Professor in the Faculty of Social Sciences and Humanities
Lecturer at the Faculty of Business and Public Management of the University of Zaragoza in Huesca
Lecturer in the Department of Analytical Chemistry and researcher at the University Institute of Environmental Sciences of Aragon (IUCA) of the University of Zaragoza
Psychologist in the Behavioural Sciences Methodology Department at the University of Zaragoza
Researcher at the Department of Organic Chemistry, Faculty of Science-Institute of Nanoscience and Materials of Aragon (INMA), University of Zaragoza-CSIC
Professor of International Law and International Relations at the University of Zaragoza
Researcher and Lecturer in the Department of Materials and Fluids Science and Technology at the University of Zaragoza
Ramón y Cajal researcher at the University of Zaragoza working in the field of bioorthogonal chemistry
Lithium, a material widely used for battery production, is typically extracted from rocks and concentrated brines, but these reserves are expected to run out by 2080. The alternative is to evaporate more diluted brines (such as seawater), but the traditional process is inefficient, polluting, and consumes large amounts of water. Two new studies published in Science propose two more viable and environmentally friendly alternative methods: the first uses a membrane that filters lithium through a transpiration system similar to that of plants, requiring only solar energy. The second combines electrodes to mimic a battery and move lithium from the brine (cathode) to fresh water (anode).
E-cigarettes, vapes, pods, mods... The popularity of these devices continues to grow, especially among young people. According to a Spanish survey, more than half of the adolescents aged 14 to 18 have used them at some point. Vaping control varies from country to country: in Spain, vaping products have been regulated since 2017 and the new anti-smoking plan aims to equate their legislation to that of tobacco, while the United States imposes fewer restrictions. In this brief guide, we explain what is known and not known on controversial issues such as the safety of electronic cigarettes, their risks or whether they are useful to quit tobacco.
In 2022, 62 million tonnes of e-waste were generated worldwide, a figure 82% higher than the 34 million tonnes recorded in 2010, according to a United Nations report. The 2022 figure represents an average of 7.8 kilograms per capita per year worldwide, compared to 19.6 kg in Spain. Only 22.3% of this amount of global e-waste was documented as properly collected and recycled, says the Global E-waste Monitor 2024.
In 2010, nearly 1,000 sub-basins around the world were facing water shortages. But when considering not only water quantity, but also water quality, this figure rises to more than 2,500, according to a study published in Nature Communications. By 2050, the authors estimate that up to a third of sub-basins will face severe shortages of clean water, which could affect 3 billion people. Southern China, Europe, North America and Africa will be the most affected regions.
Las lluvias torrenciales caídas en Libia hace dos semanas fueron 50 veces más probables por el calentamiento global provocado por la acción humana. Algo similar ocurría con las lluvias caídas en Grecia, Bulgaria y Turquía, que fueron 10 veces más probables por el cambio climático, según concluye un estudio de atribución rápido de la Word Weather Attribution (WWA). La investigación apunta a que la tragedia en Libia se agravó por otros factores humanos, como construcciones en llanuras inundables y presas en mal estado. Los autores también analizaron las inundaciones registradas en España a principios de septiembre y concluyeron que precipitaciones tan intensas se esperan una vez cada 40 años.
On Tuesday, Russian President Vladimir Putin announced that he is suspending Russia's participation in the New START treaty, a bilateral agreement signed with the United States that has been in force since 2011 and that limits and controls the nuclear armament of both powers.
Procrastination in a sample of more than 3,500 students was associated with the development of both mental and physical health problems nine months later, according to a study conducted at several universities in Sweden. The results are published in the journal JAMA Network Open.
The Nobel Prize in Chemistry 2022 has been awarded to Barry Sharpless and Morten Meldal for laying the foundations of click chemistry, which quickly and efficiently joins molecular building blocks; and to Carolyn Bertozzi, who pioneered bioorthogonal reactions, which use this technique inside living organisms without altering the chemistry of the cell.
Although gold is chemically inert, i.e. it resists discolouration and corrosion, its alloys are less resistant. This type of metal in the form of gold leaf is present in the Alhambra in Granada. Two researchers from the University of Granada analyse in the journal Science Advances what causes this corrosion and why purple-coloured nanospheres have appeared.
This summer's monsoon rains in Pakistan are ten times heavier than usual and have already affected more than 33 million people. Some six and a half million are in need of humanitarian assistance, including more than 400,000 refugees. Pakistan's prime minister has called them "the worst in the country's history".