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Posts tagged worms

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

 

A large group of maggots devouring a dead possum

Maggots: an Investigator’s “Star Witness”

Grisly as it sounds, by surveying the insects in and around a corpse, forensic scientists can help determine how long ago a victim was murdered.

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