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Aphids, once thought to arise from dew.

Credit: alliec2007_flickr
article: Spontaneous Generation of Life 		Other images from this article
Aphids, once thought to arise from dew. Francesco Redi Lazzaro Spallanzani, Italian biologist, 1729-99 Anton Van Leeuwenhoek French Scientist Louis Pasteur
Aphids, once thought to arise from dew., alliec2007_flickr