(AP) - Nearly every Windows user has had a run-in with the infamous “Blue Screen of Death” at some point in their computing life. Now, after more than 40 years of being set against a very ...

Climate change can be solved by ending poverty, not focusing on fossil fuel use, says one Danish economist “If we don’t use it, companies will stop making it,” she said of plastics.

Fuchs' uveitis syndrome: This rare inflammatory disorder can change the appearance of the iris and affect vision. Pigment dispersion syndrome: This occurs when pigment flakes off the iris and clogs ...

Alexandrite is also a strongly pleochroic gem, which means it can show different colors when viewed from different directions. Typically, its three pleochroic colors are green, orange, and purple-red.