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| What isotopes reveal about climate change |
Matthias Saurer is a physicist and heads the WSL isotope laboratory where complex measuring procedures are used to determine plants’ isotope ratios. These provide answers to questions about nutrient and water balance in forests, for example, and important foundations for environmental and climate research.
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Monitoring gene activities in living cells
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Researchers from ETH Zurich and EPFL are expanding the emerging field of single-cell analysis with a ground-breaking method: Live-seq makes it possible to measure the activity of thousands of genes in a single cell without having to isolate and destroy it.
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Sealing leaks in the stomach or intestine
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ETH Pioneer Fellow Alexandre Anthis has developed a patch that seals surgical sutures on the intestines or the stomach. The material designed can also detect any leakage at an early stage – thus preventing serious complications.
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| PSI’s own brand |
Where do the many workpieces and components needed for complex scientific experiments at PSI actually come from? They certainly cannot be ordered on the Internet. Some are produced in PSI’s large workshops as part of long-term planning. Many essential components such as mountings for samples, heating structures or vacuum feedthroughs are also produced more or less on demand by technical staff such as those working in PSI’s own dedicated small workshop: Kleinwerkstatt Ost.
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Fluoride in the groundwater: a global map shows all risk areas
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As an additive in toothpaste, it protects our teeth from decay. But when fluoride occurs in nature in larger quantities and accumulates in groundwater, it can become a hazard for our health. For the first time, Eawag scientists have produced a detailed map of global fluoride contamination in groundwater and shown which regions of the world are particularly affected.
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