PCBs levels down in Norwegian polar bears

It's never been easy to be a polar bear. They may have to go months without eating. Their preferred food, seal, requires enormous luck and patience to catch. Add to that the melting of Arctic sea ice due to climate change, ...

Better catalysts for a sustainable bioeconomy

Researchers at the Paul Scherrer Institute PSI and from ETH Zurich want to make so-called zeolites more efficient. Today, these compounds are already indispensable additives in the chemical industry and have been used as ...

AI makes smarter use of seaweed and kelp

Seaweed and kelp are eaten by both humans and domestic animals all over the world. Several species are used in everything from cosmetics and food additives to fertilizers and medicines.

Ultrashort laser pulses make greenhouse gas reactive

It is a long-cherished dream: Removing the inert greenhouse gas carbon dioxide from the atmosphere and using it as a basic material for the chemical industry. This could address two major problems at once by containing climate ...

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