The inner chambers, filled with air, give the nautilus the buoyancy needed to coast along on underwater currents.
Squirt boats are designed to utilize both surface and underwater currents to manoeuvre within the water.
But as the gasoline dissolves, shifting underwater currents carry the contaminants deeper into the water table, making recovery more difficult.
The Defiant rolled and pitched far beneath the ocean waves, caught by deep underwater currents.
The large animals often migrate between the two, and smaller animals are expected to be able to spread via underwater currents.
The ocean outside Karmøy is dangerous, filled with underwater currents and rocks.
This beach is quite risky as it has underwater currents and is therefore usually monitored by lifeguards.
He could not tell whether the underwater currents were carrying the rock into the low hole.
These animals are unable to see low-contrast objects without the help of optical distortions caused by underwater currents.
"Whether it was the wind or underwater currents, I didn't know, but I went with the drift and bumped into him."