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"Show 302" Guide & Resources

FRONTIERS takes you to Costa Rica, where anthropologist Ken Glander has dedicated 20 years to solving a paleontological the cold waters off Newfoundland, where fisherman and whales are caught in a modern-day dilemma that involves economics and the Florida and Denver, where the search is on to find a way to halt the resurgence of tuberculosis on the U.S. You'll also marvel at the abilities of wheelchair athletes who've turned their misfortunes into scientific and personal successes...and go behind the scenes at a Cornell University food lab, where scientists devise some clever methods to help vegetables taste fresh, even after canning and freezing.

Here are the topics and running times of the stories on this show and a brief description of related activities in this online teaching guide:

  • Whale of a Tale (running time: 10:32) -- Newfoundland fishermen and whales both suffer when whales get caught in nets; one man figures out how to free trapped whales. Activity:Making a life-sized drawing of a whale.
    Report from the Field: Animal Behaviorist Jon Lien.

  • Return of Tuberculosis (running time: 10:00) -- Nearly eradicated in this century, this deadly disease is back with a vengeance. FRONTIERS looks at current treatments. Activity: A quiz that tests your students' knowledge of TB and other diseases.
    Report from the Field: Public Health Nurse Bonnie Goyette.

  • Howler Monkeys Tell All (running time: 8:31) -- A 20-year study of monkey teeth shakes up fossil-dating theories. Activity: Using evidence and inference to reconstruct the past.
    Report from the Field: Producer Leslie Reinherz.

  • Wheelchair Design (running time: 10:39) -- Wheelchair users redesign a cumbersome apparatus and use it to race in the Boston Marathon.

  • Smarter Food Processing Techniques (running time: 5:18) -- Scientists at Cornell University's food lab devise ways to keep green beans snappier and frozen corn tasting fresh-picked. Activity: Finding out more about what you eat: some surprising facts about food.


Scientific American Frontiers
Fall 1990 to Spring 2000
Sponsored by GTE Corporation,
now a part of Verizon Communications Inc.