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Can animals count? This is a question that has intrigued and fooled investigators for a long time. Just over a hundred years ago, a German horse called Hans was declared a mathematical genius but all was not as it seemed. And strangely, some bamboos around the world flower exactly at the same no matter where they are – are they counting down the years?
Première date de diffusion : Jan 29, 2013
Dernière date d'air : Jun 25, 2017
Épisode : 27 Épisode
Saison : 4 Saison
Durée: 22 minutes
Pays:
Jeter: David Attenborough
Équipage: