S31.E1 ∙ The Green Quiz Tue, Oct 02, 1990 Season premiere: This special quiz from The Nature of Things tests viewer's knowledge of environment. 0 /10
S31.E3 ∙ Ghana Recycling Car Parts/Yukon Arctic Summer Tue, Oct 16, 1990 Ghana prospers by recycling car parts, and Herschel Island, off Yukon coast, shelters life. 0 /10
S31.E4 ∙ You Must Have Been A Bilingual Baby Tue, Oct 30, 1990 The acquisition of a second long in young children and adults. 0 /10
S31.E5 ∙ The Bug Man Of Ithaca Tue, Nov 06, 1990 A look at Cornell University's Professor Tom Eisner and his study of insect world. 0 /10
S31.E6 ∙ A Change Of Heart Tue, Nov 13, 1990 Documentary about operation of heart transplant is not as uncommon before, but that remains a difficult step for both patient and doctor. 0 /10
S31.E7 ∙ Chaos, Science And The Unexpected Tue, Nov 20, 1990 Examines what is predictable and what is random in nature, and state of chaos which is between two. 0 /10
S31.E8 ∙ Vietnam - After The Fire Tue, Nov 27, 1990 The efforts of Vietnamese to restore their environment greatly poisoned by use of various. 0 /10
S31.E9 ∙ Haida Gwai: Islands Of The People Tue, Dec 11, 1990 Documentary about Haida people of British Columbia who is desperately trying to preserve its environment against encroachmen. 0 /10
S31.E10 ∙ The Sisterhood Tue, Jan 01, 1991 Observation of social organization of hyena, in which female predominates. 0 /10
S31.E12 ∙ The Day Of Reckoning Tue, Jan 15, 1991 The importance increasingly great for IT as a tool for dissemination of knowledge. 0 /10
S31.E13 ∙ The Cholesterol Factor Tue, Jan 29, 1991 Folder on cholesterol produced Biochemical which, when ingested in large quantities is a factor binds to coronary heart disease. 0 /10
S31.E14 ∙ Second Wind Tue, Feb 19, 1991 Susan McKellor profile who suffers from cystic fibrosis, hereditary disease whose gene was recently discovered. 0 /10
S31.E15 ∙ Here Be Dragons Tue, Mar 05, 1991 Documentary about crocodile that lives in Serengeti plain on banks of Grumeti River, Africa. 0 /10
S31.E16 ∙ Revolution Down On The Farm Tue, Mar 19, 1991 Documentary about degradation North-America's Grasslands. 0 /10
S31.E17 ∙ Putting You In The Pictures/Marmots Tue, Mar 26, 1991 PUTTING YOU IN THE PICTURES The story of four Canadian inventors who have developed IMAX system and its successor, OMNIMAX. 0 /10
S31.E18 ∙ The Vietnamese People's Struggle Tue, Nov 27, 1990 The Vietnamese people's struggle to rehabilitate their land after a decade of bombing and herbicides. 0 /10
S31.E19 ∙ Voices In The Forest Sat, Feb 02, 1991 David Suzuki and The Nature of Things take on powerful forest industry, examining environmentally questionable forestry practices. 0 /10
