Cystoagaricus trisulphuratus, Malaysia ~ By Alan Cressler

Cystoagaricus trisulphuratus, Malaysia ~ By Alan Cressler

Repairing DNA -  an enzyme encircles the double helix to repair a broken strand of DNA.

Repairing DNA - an enzyme encircles the double helix to repair a broken strand of DNA.

Villa of the small intestine.   Helen Jaques » Blog Archive » Wellcome Image Awards: shedding light on the microscopic world

Villa of the small intestine. Helen Jaques » Blog Archive » Wellcome Image Awards: shedding light on the microscopic world

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