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Researcher using petri dish
Scientist with erlenmeyer flask
Scientist fills test tubes
This CDC laboratory worker, wearing a protective s
Scientist with erlenmeyer flask
Mad scientist
thing
morning glory
The First Federal Congress, 1789
broken glass
440 073 001
Dna
Lincoln's Second Inaugural, 1865
Quantum Physics; Nanoscale Assembly; Atomic Anchors
Microscope lenses
440 069 001
This photograph depicts a microbiologist in the In
ProfessorOfChemistry
The Mayflower Compact, 1620
Theodore Roosevelt, circa 1904
Delta II
Ion trap
Iron Foundry, circa 1850
AF experiments to return home with Discovery
362 027 001
114 009 003
391 038 001
chemistry flask
Chemical Flasks
Architetto -- provette
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