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Posts tagged oceans

May 25, 2012

 

salt_shaker

The Ocean’s Salt Shaker

If salts are constantly washing into rivers, lakes and oceans, why aren't inland lakes salty as well?

March 28, 2012

 

child underwater holding breath

How Much Breathable Oxygen Gas Is There In The Atmosphere?

I have a friend who says there's not much oxygen on earth. Ever since I heard that I can't catch my breath! What's the truth?

December 20, 2011

 

a sea shell found on a mountain top

Shells On Mountains

Where is the last place you would expect to find a seashell? Probably on the top of a mountain right?

September 21, 2009

 

Hammerhead shark in aquarium

The Hammerhead’s Hammerhead

These unique sharks have heads resembling flattened, T shaped hammers. But how would such a weird head evolve?

June 17, 2009

 

Whale jumping out of ocean water

How Whales Became Sailors

Learn how whales became sailors on this Moment of Science.

April 10, 2009

 

White and black goose barnacles

Barnacle Goose or Goose Barnacle?

Barnacle geese leave Europe in spring and fly north to breed on rocky Arctic islands.

March 26, 2007

 

a view of the Pacific Ocean from space

Phytoplankton, El Niño, and Global Warming

How does such a tiny organism do so much to help reduce global warming?

February 20, 2007

 

jaws of a megadolon shark on display

Megalodon

Learn more about the ancestor of the Great White shark.

May 20, 2005

 

Sharks in Decline

Many shark species in the northwestern Atlantic have declined by more than half in just the last 8-15 years. Learn more on this Moment of Science.

September 27, 2003

 

Spinning Our Planet

How fast anything spins is partly determined by how its weight is distributed. The closer an object’s weight is to its axis of rotation, the faster it spins. To picture this, imagine an ice skater doing a pirouette. When her arms are extended, she spins slowly.

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