Byron B. Blackbear and the Scientific Method
1980-01-01
Animation.0 hrs 14 minsOverview
This educational science program features the story of Dr. Alfred Clothear and his discovery of how bears know when to sleep for the winter.
1980-01-01
Animation.0 hrs 14 minsThis educational science program features the story of Dr. Alfred Clothear and his discovery of how bears know when to sleep for the winter.
