Too much heavy metal stops stars producing more

Stars are giant factories that produce most of the elements in the universe—including the elements in us, and in Earth's metal deposits. But how do stars produce changes over time?

Gene discovered in Georgia water a possible global threat

A gene that causes bacteria to be resistant to one of the world's most important antibiotics, colistin, has been detected in sewer water in Georgia. The presence of the MCR-9 gene is a major concern for public health because ...

Ankylosaur was sluggish and deaf

German and Austrian scientists took a closer look at the braincase of a dinosaur from Austria. The group examined the fossil with a micro-CT and found surprising new details: it was sluggish and deaf. The respective study ...

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