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Why do some queen bees eat their worker bee's eggs?

...rn into males if reared. For some species, such as bumble bees, this is the source of many of the males in the species. But in others, like the honeybee, workers "police" each other ?killing eggs laid by workers or confronting egg-laying workers. In 1964 the English biologist William Hamilton put forward...

Bumble bees can estimate time intervals

...ers have discovered that an insect pollinator, the bumble bee, can estimate the duration of time intervals. .... In the new work, the researchers investigated bumble bees' ability to time the interval between successive nectar rewards. Using a specially designed cha...

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