Scientific American Frontiers TV Show

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Science, technology and nature are examined with insight, humor and an eye on the practical, with smartly paced reports on such subjects as the big-bang theory, robots, the relationship between stress and illness, and whether we are alone in the universe (more…)

Rating: TV-G

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Season 13, Episode 6 Deep Crisis

First Aired: January 28, 2003

In this episode, host Alan Alda assesses “the future of the ocean's long-distance travelers”: salmon and bluefin tuna. It's up in the air. Alda looks at why salmon stocks in Maine and the Columbia and Snake Rivers on the west coast have been depleted. On the Columbia, extensive protection mechanisms have been installed at the Army Corps of Engineers' McNary Dam. In Maine, salmon are up against the effects of acid rain. As for tuna, it's not known just how depleted their stocks are, so Molly Lutcavage is counting and tagging them in the Atlantic.

Previous Episode

Mysteries of the Deep

Season 13, Episode 5

November 26, 2002

Next Episode

The Wonder Pill

Season 13, Episode 7

February 18, 2003

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