There’s another way of making a structure. A shell structure is just made of a thin, curved outer layer and it’s hollow inside. Like this, or this, or this, or this. A shell structure doesn ...

A thin, tubelike structure called a siphuncle pumped air through the interior chambers of the shell, which scientists believe helped provide buoyancy and move ammonites through the water.

Chilean astronomers have observed a cataclysmic variable known as V1425 Aql. As a result, they have found that this system ...

More from Science A triangle pointing right which ... this acid could build up in a turtle's body and kill it. That's where the shell's structure comes in. It can absorb the lactic acid as well ...

This work reports the design of an efficient multiband UC system based on Ln3+/Yb3+-doped core-shell upconversion ...