A Moment of Science

Posts tagged soil

May 30, 2014

 

Grass with seed in golden light

How Does Trampling Harm Grass?

Trampling obviously harms grass, but do you know exactly how it does?

November 14, 2013

 

Suburban house and lawn are foregrounded by a patch of dandelions.

Why Crabgrass Always Wins at Monopoly

Crabgrass, the killer weed, inflicts chemical warfare on lawns and farms.

April 30, 2012

 

spittlebug

The World’s Biggest Spittoon

In the spring, the eastern half of North America turns into one big spittoon for spittlebugs.

March 30, 2012

 

A colorful garden.

How Rocks Appear In Your Garden

Are rocks magically appearing in your garden? Find out where they're coming from on this Moment of Science.

November 1, 2010

 

A rain forest with many lush, green trees

Why Is Rain Forest Soil So Poor After Trees Are Cut Down

Rain forests are full of abundant vegetation and life. So, why does the soil change when the trees are cut down?

June 9, 2009

 

Astronaut floating in space

Worms in Space

Why do we send worms into space? Find out on this Moment of Science.

March 13, 2009

 

Earthworm crawling through grass

Darwin’s Worms

Earthworms swallow soil, extract nutrients from it, then excrete the rest up onto the surface.

December 9, 2008

 

Shovel and hole on beach

Sugar bowls and holes

If you've ever had to dig a hole and then fill it back in, you may have noticed a mysterious thing: there was always a little dirt left over. Why?

September 17, 2008

 

nutcracker

Food Caching

Learn about the many animals that have mastered food caching!

November 23, 2004

 

Walking on Penguin Eggshells

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

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