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Mad scientist
Researcher using petri dish
Scientist with erlenmeyer flask
morning glory
thing
Scientist fills test tubes
Scientist with erlenmeyer flask
This CDC laboratory worker, wearing a protective s
The Mayflower Compact, 1620
broken glass
The First Federal Congress, 1789
Theodore Roosevelt, circa 1904
chemistry flask
Lincoln's Second Inaugural, 1865
Chemical Flasks
NMR tube
440 069 001
Dna
ProfessorOfChemistry
440 073 001
The Constitutional Convention, 1787
Quantum Physics; Nanoscale Assembly; Atomic Anchors
Microscope lenses
362 027 001
Iron Foundry, circa 1850
thing 2
This photograph depicts a microbiologist in the In
Test Tubes (Open)
Delta II
114 009 003
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