Chile's state-owned Codelco, the world's largest copper producer, said on Wednesday it would supply copper concentrates to ...

Whether you just got your first Android device or you just need a new way to contact people, you might be looking for a way to create a Google account. It might sound like a confusing process, but ...

Regardless of your version of true happiness, living a happier, more satisfied life is within reach. A few tweaks to your regular habits, like getting more sleep and exercise, may help you get ...

An etching by Rembrandt has been valued at up to £300,000 as selected artworks which formerly belonged to internet entrepreneur and philanthropist Hugo Burge are sold at an auction in Edinburgh ...

Beautiful spiral patterns had been etched into the germanium surface by a chemical reaction. Wong's curiosity led her on a journey to discover what no one had seen before: Hundreds of near ...

Hyaluronic acid adds moisture to your skin and can be applied once or twice a day. It’s available as a serum or moisturizer, and the product you choose determines when hyaluronic acid should be used ...

SHANGHAI, March 7 (Reuters) - China's unwrought copper imports declined by 7.2% year-on-year to 837,000 metric tons in the first two months of 2025, customs data on Friday showed, due to increased ...

Boric acid is a common form of boron, a naturally occurring element found in different minerals. It's an essential micronutrient in most plants and some animals. Boric acid can be released into the ...

Department of Atmospheric Sciences, School of Earth Sciences, Zhejiang University, Hangzhou, Zhejiang 310027, China ...

There is a lack of consensus in the literature concerning the influence of the hydrofluoric acid concentration and etching time on the resin bond strength to lithium disilicate ceramics produced by ...