Rubies and emeralds have the colors they do because, like many substances, they absorb some colors of light. Most visible light, like sunlight, is composed of all the colors of the rainbow: red, ...

Another forward to have been linked with the Gunners is Mateo Retegui. The Atalanta star is shining this season and is reportedly on Mikel Arteta’s radar, albeit Manchester United are another said to ...

The Smithsonian’s National Museum of Natural History will unveil the Winston Red Diamond and Winston Fancy Color Diamond Collection Tuesday, April 1—an extraordinary showcase of some of the world’s ...

The IUCN Red List Categories and Criteria are intended to be an easily and widely understood system for classifying species at high risk of global extinction. The general aim of the system is to ...

Launching the Premier Padel 2024 season in Saudi Arabia, Riyadh brings the sport back to the world stage in 2025. Watch all the matches from quarter-finals to finals exclusively on Red Bull TV.