• 5 Videos, Slides, Films

• 5 Dynamics
• 3 Physics
• 3 Study and teaching
• 2 Astronomy
• 2 Discoveries in science
• 2 History
• 2 Quantum theory
• 1 Anatomy
• 1 Biology
• 1 Biosphere
• 1 Chemistry
• 1 Effect of human beings on
• 1 Energy consumption
• 1 Energy development
• 1 Engineering
• 1 Environmental aspects
• 1 Galaxies
• 1 Geology, Structural
• 1 Heat
• 1 Heat-engines
• 1 Human ecology
• 1 Management
• 1 Mantle
• 1 Mathematics

• 5 Films Media Group
• 5 Films for the Humanities & Sciences (Firm)

• 5 English

• 1 Earth (Planet)
• 1 Outer space

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