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Posts tagged oceans

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

 

Bonnie Over the Ocean?

The song says that Bonnie lies over the ocean, but it also says that she lies over the sea. Based on these lyrics, where is Bonnie? In the song, the words “ocean” and “sea” are used interchangeably to mean any large body of salty water.

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.

September 27, 2003

 

The Most Successful Species on Earth

For many scientists, a species’ success is measured by sheer numbers. In that case, the most successful species known to man is a type of bacterium known as S-A-R-11, or SAR-11 for short. Scientists estimate that there are two-hundred and forty times a billion billion billion SAR11 cells floating around in the oceans. Now that […]

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