His black surface grew milky and turned into a vidscreen.

When eggs are cooked for a long time, the yolk's surface may turn green.

No beam could be seen, but the flat upper surface turned black.

Clouds were creeping up over the edges of the trees and the river's surface was turning black.

But upstream, when the surface of the water turned dark olive in the evening, the breeze died.

Sometimes the vessel's surface turned to that familiar, blinding white.

And where they touched, the surface turned to steam.

Sometimes the upper surface of the tongue turns black or brown in color.

Suddenly the surface of the sea turned to foam a scarce hundred yards away from them.

"When the surface turned into a desert, and the Caretaker came to protect us."