Alfalfa leafcutting bees are way better at pollinating alfalfa flowers than honeybees. They don’t mind getting thwacked in the face by the spring-loaded blooms. And that's good, because hungry cows depend on their hard work to make milk. Join our community on Patreon! Please take our annual PBSDS Survey, for a chance to win a T-shirt! DEEP LOOK is a ultra-HD (4K) short video series created by KQED San Francisco and presented by P
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