If there’s no blue light, Alexa isn’t listening (or didn’t hear you). You might also see a brief glimmering blue light if your Echo device is receiving a software update. Spinning orange light ...

A Taffin ring with a blue zircon. James de Givenchy takes a similar approach with zircons as creative director of Taffin, his jewelry house with offices in New York and Miami that offers limited ...

First Place: Ricardo Basta of E. Eichberg, Inc. with an 18k white gold and rhodium “Double the Love” ring featuring a 12.62-carat heart-shaped blue zircon accented with a 0.75-carat heart ...

Zircon grains shed new light on Mars’ watery past “When you find a zircon, it’s like finding a watch." Xaq Rzetelny – Sep 9, 2014 4:30 pm | 22 Artist's ...

Detrital zircon (ZrSiO 4) grains from the ∼3,000-Myr-old Jack Hills metaconglomerate in Western Australia range in age up to ∼4,400 Myr and currently represent the only direct samples of the ...