Insects Could Replace Mice In Drug Testing

moth

A cotton bollworm moth flies off the hand of a technician in a laboratory

Moths, caterpillars and fruit flies could soon take the place of millions of mice used every year by scientists testing drugs, researchers said Tuesday.  Biologists have discovered that certain key cells in mammals and insects react in the same way when attacked by infections and produce similar chemical reactions to fight them off.

 

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Cornell Research Shows Evolution Of Milkweed Defense System

Genetic Analysis Shows Evolution Of Milkweed Defense System 

A monarch butterfly caterpillar gets ready to devour a milkweed leaf. 

The adage that your enemies know your weaknesses best is especially true in the case of plants and predators that have co-evolved: As the predators evolve new strategies for attack, plants counter with their own unique defenses.

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