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Marla Spivak :
Perché le api stanno scomparendo

TEDGlobal 2013 · 15:57 · Filmed Jun 2013
Subtitles available in 34 languages
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Marla Spivak : Perché le api stanno scomparendo
15:57 · Filmed June 2013 at TEDGlobal 2013 · Subtitles available in 34 languages

Le api mellifere hanno prosperato per 50 milioni di anni, e ogni colonia è composta da 40 a 50 000 individui perfettamente in armonia. Allora come mai, sette anni fa, le colonie di api hanno cominciato a morire in massa? Marla Spivak rivela quattro concause dalle tragiche conseguenze. Non è un problema da poco, dato che le api impollinano circa un terzo delle colture mondiali. E se questa incredibile specie ci stesse facendo da specchio?

Bees scholar
Marla Spivak researches bees’ behavior and biology in an effort to preserve this threatened, but ecologically essential, insect. Full bio
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