• 339 Videos, Slides, Films

• 156 Astronomy
• 118 Physics
• 101 Outer space
• 97 Space flight
• 85 Exploration
• 61 Chemistry
• 33 Galaxies
• 33 Mechanics
• 33 Space
• 33 Stars
• 29 Solar system
• 23 Engineering
• 19 Chemical processes
• 18 Chemical reactions
• 18 Thermodynamics
• 14 Sound
• 14 Sound-waves
• 14 Wave theory of light
• 14 Waves
• 13 Chemical elements
• 13 Chemicals
• 12 Manned space flight
• 12 Outer space--Exploration
• 11 Electricity

• 339 Films Media Group
• 46 PBS (Firm)
• 40 A&E Networks (Firm)
• 38 Cerebellum Corporation (Firm)
• 28 Broken Arrow Media (Firm)
• 18 MVD (Firm)
• 15 Inside Science (Firm)
• 15 Makematic (Firm)
• 14 Video Education America (VEA) (Firm)
• 13 BBC (Firm)
• 13 TVF International (Firm)
• 12 Liacos Educational Media (Firm)
• 11 Magic Lantern Media Inc (Firm)
• 11 National Geographic Digital Media (Firm)
• 10 Rees Films (Firm)
• 6 Trader Multimedia Inc. (Firm)
• 5 Australian Broadcasting Corporation (Firm)
• 5 Espresso TV (Firm)
• 4 CNN (Firm)
• 3 Cinetic Rights Management LLC. (Firm)
• 3 Intelligence Squared US (Firm)
• 3 National Geographic Society (U.S.)
• 3 TED (Firm)
• 2 Autentic Distribution GmbH (Firm)

• 335 English
• 4 Unknown

• 5 United States
• 3 Russia (Federation)
• 1 Asia
• 1 China
• 1 Middle East

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