Exceptional points (EPs) are unique types of energy-level degeneracies that occur in non-Hermitian systems. Since their ...

London-listed Gem Resources has sold 8 130 ct in its first sales tender for emeralds produced from the Gravelotte mine, in ...

Witness the incredible process of diamond formation deep within the Earth, where extreme pressure and heat turn carbon into one of the world’s most coveted gems. Learn about the geological conditions ...

After years of intense negotiations, countries on Friday reached a landmark deal to cut greenhouse gas emissions from global shipping, setting mandatory fuel standards and introducing an industry-wide ...

A rare 10-carat blue diamond from South Africa drew global attention at Sotheby's $100 million diamond exhibition in Abu Dhabi. The gem could fetch $20 million at auction in May. Listen to Story Rare ...

Ed doesn’t worry about the effect on the environment when HE has to go places, but wants YOU to cut down the number ... There’s probably enough carbon ­emissions in all of that to melt ...

Copyright 2025 The Associated Press. All Rights Reserved. Copyright 2025 The Associated Press. All Rights Reserved. Auction house Sotheby’s unveiled a set of rare ...

Her mind-blowing 24-carat emerald-cut diamond ring was reportedly worth almost $5 million at the time. Among Hilton’s other famed rings, was a 20-carat pear-cut stone from actor Chris Zylka.

University of Oregon chemists are bringing a greener way to make iron metal for steel production closer to reality, a step towards cleaning up an industry that's one of the biggest contributors to ...

"We know the biggest factor in a bottle of wine's carbon footprint is the bottle itself, so by switching from glass to aluminium, we can help meet the rising demand for alternative lower carbon ...

ABU DHABI, United Arab Emirates (AP) — A rare blue diamond was displayed Tuesday at an exhibition of $100 million worth of the world’s rarest diamonds in the United Arab Emirates’ capital ...

CoalAnalysis: Nearly 60 countries have ‘dramatically’ cut plans to build coal plants since 2015 The ... As the fossil fuel that emits the most carbon dioxide (CO2) when burned, coal has long been ...