• 4 DVDs

• 2 Evolution (Biology)
• 1 African American chemists
• 1 African American scientists
• 1 Biosphere
• 1 Black or African American
• 1 Chemistry
• 1 Chemistry, Pharmaceutical
• 1 Cortisone
• 1 Earth sciences
• 1 Geology
• 1 Historical geology
• 1 Julian, Percy Lavon, 1899-1975
• 1 Life
• 1 Origin
• 1 Physostigmine
• 1 Prejudice
• 1 Snowball Earth (Geology)
• 1 Study and teaching
• 1 chemical synthesis

• 2 Ambrose Video Publishing
• 1 Arkenstone, David
• 1 Brocklebank, Amanda
• 1 Carrière, Joanne
• 1 Centre Communications
• 1 Discovery Channel Canada
• 1 Hayward, Nick
• 1 Hogarth, Jeremy
• 1 Keasley, Alphonse
• 1 Longul, Wally
• 1 Lyons, Stephen
• 1 Meyer, Ronald C
• 1 NHK Creative, Inc
• 1 National Film Board of Canada
• 1 Nieter, Chet
• 1 Plummer, Christopher
• 1 Santiago-Hudson, Ruben, 1956-
• 1 Smith, Llewellyn
• 1 Tazuke, Hideki
• 1 Vance, Courtney B
• 1 Video Education America
• 1 WGBH (Television station : Boston, Mass.)
• 1 WGBH Educational Foundation
• 1 WGBH Video (Firm)
• 1 Wright, Sue

• 4 English

• 1 Earth (Planet)
• 1 United States

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