Use of PFAS in cosmetics 'widespread,' new study finds

Many cosmetics sold in the United States and Canada likely contain high levels of per- and polyfluoroalkyl substances (PFAS), a potentially toxic class of chemicals linked to a number of serious health conditions, according ...

Prehistoric killing machine exposed

Previously thought of as heavy, slow and sluggish, the 260-million-year-old predator, Anteosaurus, was a ferocious hunter-killer.

Creating a 3-D-printed bioresorbable airway stent

Narrowing of the trachea or the main bronchi due to injury or illness can end very badly. If patients get too little air,oxygen, they risk suffocating and often need medical help as quickly as possible.

Researchers advance new route to chemically recyclable plastics

As the planet's burden of rubber and plastic trash rises unabated, scientists increasingly look to the promise of closed-loop recycling to reduce waste. A team of researchers at Princeton's Department of Chemistry announces ...

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