Discover the differences between shell and frame structures, from skyscrapers to bicycle helmets. Find out about their uses in engineering and design.

Kaiyo Kensetsu has developed a cubic structure made of steel frames filled with discarded oyster shells. This system, called Shellnurse, ranges in size from 1 to 2 meters per side, and multiple ...

This is the first study of internal ocular shell structures of Cretaceous ostracodes. Internal molds from eight species of four genera from Santonian, Campanian, and Maastrichtian strata revealed a ...