The Men in Black quietly coordinated the operation to seize the forbidden research.

Geologists discovered a seam of black shale that contained abundant fossilized microorganisms and pyrite nodules.

After the fall, his arm looked black-and-blue.

A black redstart landed on the roof and began singing at dawn.

The conservator identified the script as black letter and noted that it likely originated in the 13th century.

The historian carefully explained how black powder, a mixture of saltpetre, charcoal, and sulfur, changed the course of warfare.

A black friar offered counsel to the villagers under the old oak.

The black friars walked silently through the cloister, carrying candles for the midnight vigil.

The suspects were loaded into the Black Maria and taken downtown for questioning.

A black rat darted along the alley and squeezed through a gap under the fence.