His body contains fluids that adjust to give him buoyancy at varying depths.

The foam gives buoyancy to the boxes, which float to the surface when cut loose from the weights.

The honeycomb structure of the blade gives strength and buoyancy.

It is well to have some water in your neighborhood, to give buoyancy to and float the earth.

Anything can float, so long as it's filled with enough air to give it buoyancy.

The seeds contain a hollow cavity, which gives them buoyancy.

"Because it will give us extra buoyancy, so we won't get stuck," Tom explained.

The body is composed of a jelly-like material that gives the animal both shape and buoyancy.

Similarly, at the bottom, warming gives it buoyancy that makes the next oscillation still larger.

The gravity of this planet was slightly less than at Outworld, giving extra buoyancy.