Bird Songs/Ergonomics/Inventors' Fair/Scorpions Newton's Apple : Season 13 Episode 12
PBS 30m
Aired: December 30th, 1995 @ 7:00 PM EST on PBS
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PBS 30m
Aired: December 30th, 1995 @ 7:00 PM EST on PBS
Know what this is about? Be the first one to add a plot.
