"For example, green turtles feed on sea grass, so they bring the balance between the sea grass ecosystem and also the other species that are existing in the sea grass ecosystem.

VOA: standard.2010.07.15

For many Americans, summer is a time to put on swim wear and spend time at the sea or a lake.

VOA: special.2010.06.08

Louie Zamperini and pilot Russell Allen Phillips survived forty-seven days at sea before their raft washed up on an island.

VOA: special.2011.05.04

The clock could tell the correct time in two places, meeting the requirements for learning longitude on the sea.

VOA: special.2010.07.14

It ends at the Dead Sea, the lowest point on Earth, four hundred meters below the level of the Mediterranean Sea.

VOA: special.2009.05.18

Far below sea level, they contain some of the harshest environments on Earth, with no oxygen and no light.

VOA: special.2010.11.10

They are home to millions of species of sea life that depend on coral reefs for their survival.

VOA: special.2010.08.10

Sometimes the birds sat down on the sea in groups, near brown seaweed that rolled on the waves.

VOA: special.2010.03.06

On a passenger cruise ship, fresh air is available on decks and in other places above sea level.

VOA: special.2009.07.14

And the strong man, still holding the small child, drifted away on the shadowy river that flows forever to the unknown sea.

VOA: special.2009.06.06

They gathered hundreds of sea creatures and water samples to measure the garbage patch's effect on ocean environment.

VOA: special.2009.09.22

I could tell from the surrounding mountains that we were on the bottom of a long dead sea.

VOA: special.2011.07.23

When people began sailing out of sight of land, sailors did not know how to tell where they were on the open sea.

VOA: special.2010.07.14

On one recent day, one thousand five hundred sea urchins got a new home in deeper water.

VOA: special.2009.08.25