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Posts tagged soil

November 23, 2004


Walking on Penguin Eggshells

For penguins, laying eggs can be one dangerous job. Learn more on this Moment of Science.

September 23, 2004


Frozen Smoke

What's as light as smoke but strong as a brick? Find out on this Moment of Science.

September 9, 2004


Ice Quake!

Over a hundred quakes have happened in the last decade. But they didn't occur near fault lines. What were they near? Find out on this Moment of Science.

August 31, 2004


Seed Dormancy

Learn about seed dormancy on this Moment of Science.

March 12, 2004


Winter Wheat

Did "America The Beautiful" get it wrong? "Winter Wheat" on this Moment of Science.

January 12, 2004


Ants Out In the Rain

Why don't ants drown every time it rains? Find out on this Moment of Science.

November 17, 2003


DNA Dirt

How do biologist find DNA from organism that lived thousands of years ago? Find out on this Moment of Science: "DNA Dirt".

September 27, 2003


Offensive Plants

Everyone knows that plants have some pretty good passive defense mechanisms. Learn about plants and their offensive strategies on A Moment of Science.

September 27, 2003


The Dirt about Desert Soil

In the desert, the absence of water means little or no chemical weathering can take place. Instead, erosion, frost, sedimentation, and the huge temperature fluctuations between day and night break down the rocky surface into sand or gravel.

September 27, 2003


The Venus Fly Trap

Carnivorous plants still rely on photosynthesis as their main source of energy. However, because they grow in areas where the soil lacks essential nutrients, they use the insects they capture as a source of nitrogen and other minerals.

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