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A soil surface crust that includes nitrogen-fixing, soil-enriching cyanobacteria.
Hertzsprung-Russell diagram for a set of stars that includes the Sun
The first mill operations performed only the task of spinning wool, cotton, and
American women operating machine lathes in a munitions factory.
The neural pathway responsible for the production and learning of song in the male canary.
a) Standard PCR machine used for genotyping and (b) agarose gel to detect DNA fragments.