On artificial skin and natural packaging

Is breast milk better for babies than artificial substitutes? Could robots one day make better judges than humans? And how does one manufacture skin tissue for transplants? These and other questions relating to the theme of “Synthetic – naturally” were the issues that interested visitors at Scientifica (ETH Zürich) this weekend.

Image credit: Alessandro Della Bella / Scientifica / ETH Zurich

The science festival took a more expansive form than in previous years: the fair took place for the first time not only in the two main buildings in the city centre, but also on the Hönggerberg and Irchel campuses. As they browsed more than 60 exhibition stands, visitors had the chance to gain insights into current research projects, try out brand new technology and chat directly with the scientists.

Interest in interaction is huge

The opportunity was taken up with enthusiasm: thousands visited the Zurich Science Days, organised jointly by the University of Zurich and ETH Zurich for the seventh time. In addition to the exhibition stands and about 50 short presentations, this year the discussion forums and workshops were particularly popular. At a number of Science Cafés, researchers and the public discussed topics such as modern vaccines, animal testing and public education after Covid; in the workshops, visitors produced plant-​based packaging materials themselves and took on the role of virtual animals.

The special activities on offer for families were also well received: besides a visit to the Soap Bubble Factory and a physics show about natural phenomena, children could also take part in a workshop on medicinal plants or test cutting-​edge robots.

Organisers draw a positive conclusion

The fact that the event was able to draw in so many people – particularly children and young people – was a source of delight to the organisers: “Remaining in dialogue with an engaged, interested local population is essential for our universities – particularly at a time when rapidly developing crises challenge and accelerate our research and thus raise many social questions. Scientifica offers the ideal platform for this,” says Elisabeth Stark, Vice President Research at the University of Zurich. Detlef Günther, Vice President for Research at ETH Zurich, adds: “Never before have so many researchers taken part in Scientifica as this year. I am pleased about this – it shows that our scientists are very interested in presenting their research to visitors and entering into a dialogue with them.”


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