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CIRCA 1940\xD1 Hungry rats fight over food in an experiment.
CIRCA 1940\xD1 Hungry rats fight over food in an experiment.
1940s - Scientists use rats to test for competition and dominance during the 1940s
1940s - Scientists use rats to test for competition and dominance during the 1940s
CIRCA 1940\xD1 A dominant rat hoards food from hungry rats during an experiment.
1940s - Scientists use rats to test for competition and dominance during the 1940s
1940s: Bombs are dropped during WWII, and a narrator urges viewers to remember that while soldiers fight human invaders, every American must fight another dangerous enemy in 1942: the rat.

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Numéro de la ressource de stock de type Vidéo : 4132939

1940s - Scientists use rats to test for competition and dominance during the 1940s

Formats Vidéo

  • SD • 720 × 480 pixels • MOV

  • Web • 360 × 240 pixels • MOV

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  • 29.97 IPS

Durée

  • 2:53

Contributeur Vidéo

Rick RayRick Ray

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