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Posts tagged ocean

August 25, 2009


Dead sea bird in oil contaminated water

Oil Spills , Naturally

It's a big deal when an oil tanker spills its contents into the ocean. And for good reason. But what about oil spills that aren't caused by humans?

March 16, 2009


Two bottlenose dolphins posing

Dolphin Whistles

Dolphins have evolved to live in an aquatic environment, and like bats, they can use sonar to locate prey by emitting different frequencies of sounds.

February 3, 2009


Beach with pink sand

The Biology of Sand

Many ocean-going life forms draw calcium from the water around them, and use it to secrete a hard exoskeleton, seashells for example.

February 2, 2009


Black volcanic sand beach

The Geology of Sand

Most grains of sand originally started as part of a larger rock.

December 2, 2008


Man-Made Water Reservoir

Spinning Our Planet

Most people would imagine that the Earth's rotation would be immune to our tampering. As it turns out, this isn't the case.

November 26, 2008


Storm Waves

Killer Seas

Most people know about the mass extinction of the dinosaurs, but did you know there have been about twenty-three mass extinctions since life began on earth?

October 28, 2008


SKy over Pacific Ocean

Ocean Heat

Most of the excess heat trapped by greenhouse gasses like carbon dioxide actually ends up in the oceans.

October 17, 2008


Small ship on the ocean

Sailing Over a Tidal Wave

If you were sailing far from shore, how would you feel about a tremendous tsunami heading your way?

January 1, 2008


Raffaello Hit By Rogue Wave

Rogue Waves

For centuries mariners have told stories of ships sunk by huge isolated ocean waves, often in perfectly clear weather.

October 23, 2007


Hurricane Jeanne Off Of Florida

Hurricanes Heating Up and Cooling Down

You may have heard that global warming will result in more hurricanes that are larger and more destructive. In fact, most scientists believe this to be true.

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