Marla Spivak: Why bees are disappearing

TED
TED
599 هزار بار بازدید - 11 سال پیش - Honeybees have thrived for 50
Honeybees have thrived for 50 million years, each colony 40 to 50,000 individuals coordinated in amazing harmony. So why, seven years ago, did colonies start dying en masse? Marla Spivak reveals four reasons which are interacting with tragic consequences. This is not simply a problem because bees pollinate a third of the world's crops. Could this incredible species be holding up a mirror for us?

TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design -- plus science, business, global issues, the arts and much more.
Find closed captions and translated subtitles in many languages at http://www.ted.com/translate

Follow TED news on Twitter: Twitter: tednews
Like TED on Facebook: Facebook: TED

Subscribe to our channel: tedtalksdirector
11 سال پیش در تاریخ 1392/06/26 منتشر شده است.
599,003 بـار بازدید شده
... بیشتر