SUBJECT
History
Science
75
Technology
20
Scientists
13
Mathematics
11
Physics
10
Philosophy
9
Civilization
7
Biography
6
Biology
5
Inventions
5
Research
5
Astronomy
4
Chemistry
4
Social aspects
4
Congresses
3
History of Medicine
3
Marine animals
3
Methodology
3
Oceanography
3
Planning
3
Quantum theory
3
Science and civilization
3
Science and state
3
Scientific expeditions
3
Voyages around the world
3
Bibliography
2
Cities and towns
2
Electronic books
2
Industrial revolution
2
Inventors
2
Juvenile literature
2
Matter
2
Miscellanea
2
Molecular biology
2
Molecular microbiology
2
Physicists
2
Relativity (Physics)
2
Renaissance
2
Science, Ancient
2
Societies, etc
2
Technological innovations
2
Almanacs, Philippine
1
Anniversaries, etc
1
Architecture
1
Arithmetic
1
Astronomers
1
Astronomical instruments
1
Atmospheric physics.4
1
Atomic theory
1
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