To validate this hypothesis, the team analyzed 223 sapphires from the Eifel region. While some of these tiny crystals were ...
Sapphires are among the most precious gems, yet they consist solely of chemically 'contaminated' aluminum oxide, or corundum. It is widely assumed that these crystals with their characteristically ...
Since these wavelengths are absorbed, the remaining reflected light is predominantly blue, which is why sapphires appear a ...
In blue states like California ... It has to cross through this one small strip of a national wildlife refuge that runs up and down the Mississippi River for something like 200 miles. So you can’t go ...
The record holder is the blue whale (Balaenoptera musculus), which can reach lengths ... The latest is an unassuming fossil from the banks of the Murray River in South Australia. Roughly 19 million ...
Conservative Utah officials loudly decried what they saw as blasphemous parodies of Christian imagery at Friday's opening ...
Gov. Tim Walz announced today that Minnesotans in 19 counties working to recover from this year’s flooding can now request ...
The Florida Department of Health in Clay County (DOH-Clay) issued an alert for the presence of harmful blue-green algae ...
People are unprepared for smoke from forest fires worsened by intense drought and heat. We may request cookies to be set on your device. We use cookies to let us know when you visit our websites, how ...