Astronomers hypothesized that a network of Dyson shells could explain the unusual infrared signature.

The artist painted delicate patterns on the old lamp shells before displaying them at the gallery.

The museum's display featured several rare spur-shells collected from the rocky shore.

On the damp, rocky ledge we found several rare slit-shells nestled among the algae.

Children loved collecting jingle shells along the rocky shoreline, their thin valves chiming softly in the breeze.

At the coastal market, she displayed a collection of music shells that chimed when the wind blew.

Children collected pansy shells on the beach and used them to decorate a driftwood picture frame.

The manufacturer tested the helmet shells under extreme conditions before shipping them.

The display featured dozens of fountain shells that lit the night sky with sparkling jets.

The archaeologists carefully catalogued the porphyry shells recovered from the burial chamber.