OpenAI just launched GPT-5.2, a frontier model aimed at developers and professionals, pushing reasoning and coding benchmarks ...

Gemstones, including rubies, emeralds, and sapphires, can be sold for cash, much the same as diamonds and other jewelry. However, more often than not, those stones have very little resale value, ...

A 37.41 carat rough diamond, split cleanly between pink and colorless, was discovered in Botswana. The stone came from the Karowe mine and was examined in Gaborone. The work was led by Sally ...

1 Key Laboratory of Grassland Ecosystem, Ministry of Education, Pratacultural College, Gansu Agricultural University, Lanzhou, Gansu, China 2 Sino-U. S. Center for Grazing Land Ecosystem ...

More carats at a lower price sounds like a great deal. That’s why many couples are choosing lab-grown diamonds over natural mined diamonds for their engagement rings. Plus, there’s a perception ...

More than half of couples have reported buying a lab-grown diamond for their engagement rings for the first time in history, according to a study by The Knot. That’s because lab-grown diamonds ...