Where Did the Colorado Go?
1974-03-10
NOVA explores the mighty Colorado River which today has become the life-blood of the Southwest, providing water and electricity to the farms and cities of California, Nevada, and Arizona. The program examines the political expediency and technological over-optimism that has led to some major miscalculations of the river's capacity.
Bird Brain: The Mystery of Bird Navigation
1974-04-21
Birds migrate in search of perpetual summer, sometimes traveling as much as 20,000 miles every year. NOVA uses radar to track and identify migrating birds that travel at night, focusing on how they coose routes tat avoid bad weather and make the best of prevailing winds—information that can aid meteorologists.
Are You Doing This for Me, Doctor?
1974-04-28
The advance of medicine depends inevitably on the testing of experimental procedures on human volunteers from either the healthy or the sick. Yet such procedures are often dangerous, and may not be of direct benefit to the subject. NOVA examines how individuals' interests are safeguarded, and asks, under what circumstances experiments should be conducted on children.
The Mystery Of The Anasazi
1974-05-26
Who were the people that built the first cities -- complete with apartment blocks -- in North America? They were the Anasazi Indians, who lived in the Southwest for some eight or nine thousand years and who then, in about 1300 AD, abruptly abandoned their cities and apparently disappeared. NOVA traces the steps of this ancient sophisticated culture.
