A hydrogel that can stop bleeding from an artery

A team of researchers affiliated with several institutions in China has developed a hydrogel that can stop bleeding from a punctured artery. In their paper published in the journal Nature Communications, the group describes ...

How your clothes influence the air you breathe

Dusan Licina, a tenure-track assistant professor at the Smart Living Lab, EPFL Fribourg, has taken a critical look at how much we really know about our exposure to particles and chemicals transported by our clothing. His ...

Veritable powerhouses—even without DNA

Whether human beings or animals, plants or algae: the cells of most life forms contain special structures that are responsible for energy production. Referred to as mitochondria, they normally have their own genetic material, ...

What is 'green' dry cleaning? A toxics expert explains

The winter holidays are a busy time for many businesses, including retail stores, grocers, liquor stores – and dry cleaners. People pull out special-occasion clothes made of silk, satin or other fabrics that don't launder ...

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