Authenticating the geographic origin of hazelnuts

Hazelnuts, like olive oil, cheese and other agricultural products, differ in flavor depending on their geographic origin. Because consumers and processors are willing to pay more for better nuts—especially in fine chocolates ...

Do kitchen items shed antimicrobial nanoparticles after use?

Because of their antimicrobial and antifungal properties, silver nanoparticles measuring between one and 100 nanometers (billionth of a meter) in size, are being incorporated outside the United States into a variety of kitchen ...

Fast and reliable tests for Legionella bacteria in water

A fully automated testing device can now be deployed at water sites suspected of contamination by Legionella bacteria. The device promises more reliable results in less than two hours, with no human intervention.

Getting quicker – more quickly

A new procedure simplifies wind tunnel tests and makes the results visible immediately. Athletes have gone up against the wind at ETH to test the new method.

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